Department of Mathematics and Informatics and Methods of Teaching https://kmimn.pnu.edu.ua
Faculty of Mathematics and Informatics https://mif.pnu.edu.ua
Vasyl Stefanyk Precarpathian national university http://pnu.edu.ua
Shevchenko str. 57
76018 Ivano-Frankivsk
Ukraine
tel.: (0342) 59-60-47
e-mail: olha.dudka@pnu.edu olha.dudka.if@gmail.com