A. A. Hryn
Yanka Kupala State University of Grodno Russian Federation
Ph. D. (Physics and Mathematics), Assistant Professor, Head of the Department of Mathematical Analysis, Differential Equations and Algebra, Faculty of Mathematics and Informatics
A. V. Kuzmich
Yanka Kupala State University of Grodno Belarus
Senior lecturer, Department of Fundamental and Applied Mathematics, Faculty of Mathematics and Informatics
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