@article{zu231393, title = {???????????? ????????????? ???? ?? ??????? ??? ???????? ????????? ????? ????????? ???????}, author = {?. ?. ??????? and ?. ?. ?????}, publisher = {?.?.??????}, year = {2020}, pages = {480--481}, journal = {?????????? ??????????? - 2020}, url = {http://eprints.zu.edu.ua/31393/} }