@article{zu224576, title = {??????????? ????????? ??? ?? ????????? ???? ????}, author = {?. ?. ?????? and ?. ?. ??????????}, publisher = {???????: ?? ??????}, year = {2017}, pages = {126--127}, journal = {?????????? ??????????? ? 2017}, url = {http://eprints.zu.edu.ua/24576/} }