## Organizations

Industrial University of Ho Chi Minh city

Institute of Applied Mathematics and Mechanics, Donetsk

Institute of Mathematics and Informatics, Bulgarian Academy of Sciences

Institute of Mathematics and Mathematical Modeling, Kazakhstan

Institute of Mathematics and Mechanics, Azerbaijan National Academy of Sciences

Institute of Mathematics, Khorezm Branch, Uzbekistan Academy of Sciences

Institute of Mathematics, National Academy of Sciences of Belarus

Institute of Mathematics, National Academy of Sciences of Uzbekistan