@article{zu229695, month = {????????}, title = {???????? ???????? ???????? ????????? ???????? ????????? ????????? ? ??????? ???????-???????????? ??????????}, author = {?. ?. ???????????? and ?. ?. ?????????}, publisher = {??? ??. ?. ??????}, year = {2019}, pages = {276--278}, journal = {????????? ???????? ????????????? ????????? (??????? ???????? ?????)}, url = {http://eprints.zu.edu.ua/29695/} }