@article{zu226087, title = {????????? ???????????? ?????????? ????????????? ?? ??????????? ????? ??????????? ??????????}, author = {?. ?. ????????? and ?. ?. ???????}, publisher = {???????: ?? ??????}, year = {2017}, pages = {432--434}, journal = {?????????? ??????????? ? 2017}, url = {http://eprints.zu.edu.ua/26087/} }