@article{zu229623, month = {????????}, title = {??????????? ????????????? ??????????? ???????? ?? ?????? ?????????? ???? ??????-??????????? ??????????}, author = {?. ?. ??????? and ?. ?. ??????}, publisher = {??? ??. ?. ??????}, year = {2019}, pages = {126--128}, journal = {????????? ???????? ????????????? ????????? (??????? ???????? ?????)}, url = {http://eprints.zu.edu.ua/29623/} }