@article{zu235229, number = {XV}, month = {????????}, author = {?. ?, ???????}, title = {??????????? ???????? ?????????? ????? ??????? ?????}, publisher = {??? ????? ????? ??????}, journal = {??????? ??????????? ??????????? ?? ???????? ????????? ???? ? ????????? ????????????? ???????????: ??????? ???????????? ???????? ?????}, pages = {61--64}, year = {2022}, url = {http://eprints.zu.edu.ua/35229/} }