@article{zu226764, month = {????????}, title = {????? ??-???? ???????? ??? ????????? ?? ??????????? ??????????? ???????}, author = {?. ?. ??????}, year = {2017}, pages = {304--306}, journal = {??????? ?????????? V ?????????????? ???????-?????????? ??????????? ??????? ?????? ???????? ??????-2017?}, url = {http://eprints.zu.edu.ua/26764/} }