@article{zu226929, title = {??????????? ??????????? ??????????? ???????-??????????????? ?????? ? ???????????? ???????}, author = {?. ?. ???????????}, publisher = {???????: ?? "????"}, year = {2017}, pages = {403--404}, journal = {?????????? ??????????? ? 2017}, url = {http://eprints.zu.edu.ua/26929/} }