@article{zu233396, number = {19}, title = {??????? ?? ??????????: ???????????? ? ????????? ??????}, author = {????????? ??????}, publisher = {???????: ???-?? ??? ??. ?. ??????.}, year = {2021}, pages = {27--32}, journal = {?????????? ?????}, url = {http://eprints.zu.edu.ua/33396/} }