@article{zu229675, month = {????????}, title = {???????????? ?????? ???????????? ??????????????? ????????? ????????????? ???????? ??????? ????}, author = {?. ?. ????????? and ?. ???????}, publisher = {??? ??. ?. ??????}, year = {2019}, pages = {234--235}, journal = {????????? ???????? ????????????? ????????? (??????? ???????? ?????)}, url = {http://eprints.zu.edu.ua/29675/} }