@article{zu226106, title = {??????? ?????????????: ??????? ?? ?????????}, author = {?. ?. ?????? and ?. ?. ???????? and ?. ?. ?????????}, publisher = {???????: ?? ??????}, year = {2017}, pages = {309--310}, journal = {?????????? ??????????? ? 2017}, url = {http://eprints.zu.edu.ua/26106/} }