Donetsk State Technical University
Department of Applied Mathematics and Informatics.
Kharkiv State university
Faculty of Mathematics and Mechanical Engineering.
Lviv "Ivan Franko" University
Mechanics and Mathematics Faculty.
National Taras Shevchenko University of Kyiv (Kiev
Department of Mathematics and Theoretical Radiophysics, Radiophysics Faculty.
Tavrical National (Simferopol State) University
Faculty of Mathematics.
Yuriy Fedkovych Chernivtsi National University
College of Mathematics.