Agibalova Anna Donetsk National University Donetsk, Ukraine Alilujko Andriy Ternopil' National University of Economics Ternopil', Ukraine Amirfakharian Majid Islamic Azad University Tehran, Iran Andrusiak Ruslan Ivan Franko National University of Lviv Lviv, Ukraine Anikushyn Andriy Taras Shevchenko National University of Kyiv Kyiv, Ukraine Avci Mustafa Dicle University Diyarbakir, Turkey Azizbekov Elvin Baku State University Baku, Azerbaijan Bazyliak Halyna Ivan Franko National University of Lviv Lviv, Ukraine Bihun Oksana Concordia College Moorhead, MN, USA Bihun Yaroslav Yuriy Fedkovych Chernivtsi National University Chernivtsi, Ukraine Blazhevskyj Stepan Yuriy Fedkovych Chernivtsi National University Chernivtsi, Ukraine Boiko Svitlana Taras Shevchenko National University of Kyiv Kyiv, Ukraine Bokalo Mykola Ivan Franko National University of Lviv Lviv, Ukraine Bokalo Taras Ivan Franko National University of Lviv Lviv, Ukraine Boldovskaya Olga Institute of Applied Mathematics and Mechanics of NAS Donetsk, Ukraine Bondar Olexandr Luhansk Taras Shevchenko National University Luhansk, Ukraine Bondarenko Nataliya Donetsk National University Donetsk, Ukraine Buhrii Oleg Ivan Franko National University of Lviv Lviv, Ukraine Burskii Volodymyr Institute of Applied Mathematics and Mechanics of NASU Donetsk, Ukraine Buryachenko Kateryna Donetsk National University Donetsk, Ukraine Burdeina Natalia Ivan Franko National University of Lviv Lviv, Ukraine Cekic Bilal Dicle University Diyarbakir, Turkey Chabanyuk Yaroslav Lviv Polytechnic National University Lviv, Ukraine Chmyr Oksana Lviv State University of Vital Activity Safety Lviv, Ukraine Chujko Anton Sloviansk State Pedagogical University Sloviansk, Ukraine Chujko Oleksiy Sloviansk State Pedagogical University Sloviansk, Ukraine Chujko Serhiy Sloviansk State Pedagogical University Sloviansk, Ukraine Culev V. State Medical and Pharmaceutical University "Nicolae Testemitanu" Chisinau, Moldova Daranchuk Sergei Yanka Kupala State University of Grodno Grodno, Belarus Domanska Olena Ivan Franko National University of Lviv Lviv, Ukraine Dovzhytska Iryna Yuriy Fedkovych Chernivtsi National University Chernivtsi, Ukraine Drin Yaroslav Bukovyna State Financial Academy Chernivtsi, Ukraine Dudik Olga Taurida National V. I. Vernadsky University Simferopol', Ukraine Farnam Behnaz Islamic Azad University Tehran, Iran Fedorov Vladimir Chelyabinsk State University Chelyabinsk, Russia Fedus Ulyana Universita degli studi di Milano, Department of mathematics "Federigo Enriques" Milan, Italy Filimonov Andrey Moscow State University of Railway Engineering Moscow, Russia Flyud Volodymyr Ivan Franko National University of Lviv Lviv, Ukraine Fratavchan Tonia Yuriy Fedkovych Chernivtsi National University Chernivtsi, Ukraine Golovaty Yuriy Ivan Franko National University of Lviv Lviv, Ukraine Gorban Yuliya Donetsk National University Donetsk, Ukraine Gotsulenko Volodymyr Entrepreneurship Institute "Strategy" Zhovti Vody, Ukraine Gut Vitaliy Ivan Franko National University of Lviv Lviv, Ukraine Hevlich Ivan Donbas National Academy of Civil Engineering and Architecture Donetsk, Ukraine Hokhlova L. Ternopil' National University of Economics Ternopil', Ukraine Homa Hryhoriy   Ternopil', Ukraine Homa Mohylska-Svitlana Ternopil' National University of Economics Ternopil', Ukraine Homa Nadiya Ternopil' National University of Economics Ternopil', Ukraine Hrabchak Genadiy Ivan Franko National University of Lviv Lviv, Ukraine Hryntsiv Nadiya Ivan Franko National University of Lviv Lviv, Ukraine Hrytsuk Yuriy Donbas National Academy of Civil Engineering and Architecture Donetsk, Ukraine Hurniak Ivan Ivan Franko National University of Lviv Lviv, Ukraine Ilkiv Volodymyr Lviv Polytechnic National University Lviv, Ukraine Ivanchov Mykola Ivan Franko National University of Lviv Lviv, Ukraine Ivasiuk Halyna Yuriy Fedkovych Chernivtsi National University Chernivtsi, Ukraine Ivasyshen Stepan National Technical University of Ukraine "Kyiv Polytechnic Institute" Kyiv, Ukraine Kanoknapa Erawun Kasem Bundit University Bangkok, Thailand Keighobadi Somayen Islamic Azad University Tehran, Iran Kirichenko Yevheniya Institute of Applied Mathematics and Mechanics of NAS Donetsk, Ukraine Khazova Yu. Taurida National V. I. Vernadsky University Simferopol', Ukraine Khimka Uliana Lviv Polytechnic National University Lviv, Ukraine Khrabustovskyi Andrii B.Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine Kharkiv, Ukraine Konarovska Maryna Yuriy Fedkovych Chernivtsi National University Chernivtsi, Ukraine Kopachevskyj Mykola Taurida National V. I. Vernadsky University Simferopol', Ukraine Kozlova M. Taurida National V. I. Vernadsky University Simferopol', Ukraine Krylova Anastasia Taras Shevchenko National University of Kyiv Kyiv, Ukraine Kucera Petr Czech Technical University Prague, Czech Republic Kukurba Viktor Lviv Polytechnic National University Lviv, Ukraine Kurakina Inna Donetsk National University Donetsk, Ukraine Kuvika M. National Technical University of Ukraine "Kyiv Polytechnic Institute" Kyiv, Ukraine Kuzina Yulia Odessa Insitute of Finance, Ukrainian State University of Finance and International Trade Odessa, Ukraine Kyrylych Volodymyr Ivan Franko National University of Lviv Lviv, Ukraine Lagno V. National Technical University of Ukraine "Kyiv Polytechnic Institute" Kyiv, Ukraine Leniuk Mykhailo Yuriy Fedkovych Chernivtsi National University Chernivtsi, Ukraine Leniuk Oleg Yuriy Fedkovych Chernivtsi National University Chernivtsi, Ukraine Levin Viktor Donbas National Academy of Civil Engineering and Architecture Donetsk, Ukraine Lisniak Viktor Taras Shevchenko National University of Kyiv Kyiv, Ukraine Liubytska Olesia Lviv Polytechnic National University Lviv, Ukraine Lopushanska Halyna Ivan Franko National University of Lviv Lviv, Ukraine Lukyanenko Vladimir Taurida National V. I. Vernadsky University Simferopol', Ukraine Lymanskyj Dmytro Donetsk National University Donetsk, Ukraine Man'ko Stepan Ivan Franko National University of Lviv Lviv, Ukraine Marciniak-Czochra Anna IWR, BIOMS, University of Heidelberg Heidelberg, Germany Markasheva Vera Institute of Applied Mathematics and Mechanics of NAS Donetsk, Ukraine Martyniuk Olga Kostiantyn Ushynskyy South-Ukrainian State Pedagogical University Odessa, Ukraine Mashiyev Rabil Dicle University Diyarbakir, Turkey Matijchuk Mykhailo Yuriy Fedkovych Chernivtsi National University Chernivtsi, Ukraine Medynskyj Ihor Lviv Polytechnic National University Lviv, Ukraine Mehraliyev Yashar Baku State University Baku, Azerbaijan Mel'nyk Taras Taras Shevchenko National University of Kyiv Kyiv, Ukraine Mitrakov Volodymyr Donbas National Academy of Civil Engineering and Architecture Donetsk, Ukraine Nechepurenko Maksym Ivan Franko National University of Lviv Lviv, Ukraine Nepyjpa Dmytro Luhansk Taras Shevchenko National University Luhansk, Ukraine Nomirovskyj Dmytro Taras Shevchenko National University of Kyiv Kyiv, Ukraine Orlov Viktor Institute of Mathematics and Computer Sciences Chisinau, Moldova Panat Oksana Ivan Franko National University of Lviv Lviv, Ukraine Pasichnyk Halyna Yuriy Fedkovych Chernivtsi National University Chernivtsi, Ukraine Pasichnyk Olena Ivan Franko National University of Lviv Lviv, Ukraine Peliushkevych Olga Ivan Franko National University of Lviv Lviv, Ukraine Perun Halyna Yuriy Fedkovych Chernivtsi National University Chernivtsi, Ukraine Podisuk Maitree Kasem Bundit University Bangkok, Thailand Polshcha Halyna Kyiv Technological Institute of Light Industry Kyiv, Ukraine Pricop V. Institute of Mathematics and Computer Sciences Chisinau, Moldova Protsakh Natalia National Forestry and Wood Technology University of Ukraine Lviv, Ukraine Pronevich Andrej Yanka Kupala State University of Grodno Grodno, Belarus Pronevich Pavel Yanka Kupala State University of Grodno Grodno, Belarus Prykarpatsky Anatoliy Ivan Franko State Pedagogical University, AGH University of Science and Technology Drogobych, Ukraine,        Krakow, Poland Prytula Mykola Ivan Franko National University of Lviv Lviv, Ukraine Ptashnyk Bogdan IAPMM, National Academy of Sciences of Ukraine Lviv, Ukraine Ptashnyk Mariya RWTH Aachen University Aachen, Germany Pukach Petro Lviv Polytechnic National University Lviv, Ukraine Putuntica V. Institute of Mathematics and Computer Sciences Chisinau, Moldova Rasouli Sayyed Hahsem Babol University of Technology Babol, Iran Sadovyj Dmytro Taras Shevchenko National University of Kyiv Kyiv, Ukraine Samoilenko Anatoliy Institute of Mathematics at the National Academy of Sciences Kyiv, Ukraine Samoylenko Valeriy Taras Shevchenko National University of Kyiv Kyiv, Ukraine Samoylenko Yuliya Taras Shevchenko National University of Kyiv Kyiv, Ukraine Sandrakov Gennadiy Taras Shevchenko National University of Kyiv Kyiv, Ukraine Sapronov Dmytro Donetsk National University Donetsk, Ukraine Savitska Tetiana Ivan Franko National University of Lviv Lviv, Ukraine Savka Ivan IAPMM, National Academy of Sciences of Ukraine Lviv, Ukraine Serhejeva Lidija Yuriy Fedkovych Chernivtsi National University Chernivtsi, Ukraine Shevchuk Roman Ivan Franko National University of Lviv Lviv, Ukraine Shramenko Volodymyr National Technical University of Ukraine "Kyiv Polytechnic Institute" Kyiv, Ukraine Shyjan Olga Crimean Business Institute Simferopol, Ukraine Skalak Zdenek Czech Technical University Prague, Czech Republic Spizhavka Dmytro Yuriy Fedkovych Chernivtsi National University Chernivtsi, Ukraine Starchak Mykola Ivan Franko National University of Lviv Lviv, Ukraine Stepanova Kateryna Institute of Applied Mathematics and Mechanics of NASU Donetsk, Ukraine Stogniy Valeriy National Technical University of Ukraine "Kyiv Polytechnic Institute" Kyiv, Ukraine Stoliarchuk Roksolana Lviv Polytechnic National University Lviv, Ukraine Strybko Oleksandr Institute of Applied Problems of Mathematics and Mechanics Lviv, Ukraine Sukhorolskyj Mykhailo Lviv Polytechnic National University Lviv, Ukraine Syed Abbas Indian Institute of Technology Mandi, India Symotiuk Mykhajlo IAPMM, National Academy of Sciences of Ukraine Lviv, Ukraine Tupkalo Ivan Yuriy Fedkovych Chernivtsi National University Chernivtsi, Ukraine Tymkiv Ivan IAPMM, National Academy of Sciences of Ukraine Lviv, Ukraine Vakal Yulia Taras Shevchenko National University of Kyiv Kyiv, Ukraine Vashpanova Tetiana Odessa National University named after I. I. Mechnikov Odessa, Ukraine Vavrychuk Vasyl' Ivan Franko National University of Lviv Lviv, Ukraine Vlasov Vitaliy Ivan Franko National University of Lviv Lviv, Ukraine Wilczynski Pawel Jagiellonian University Krakow, Poland Yeromenko V. Ternopil' National University of Economics Ternopil', Ukraine Zakora Dmytro Taurida National V. I. Vernadsky University Simferopol', Ukraine Zavorotynskyi Andriy Taras Shevchenko Chernihiv National Pedagogical University Chernihiv, Ukraine Zernov Oleksandr Kostiantyn Ushynskyy South-Ukrainian State Pedagogical University Odessa, Ukraine