@article{zu224728, title = {?????????? ??????????? ???????? ????????????? ??????????? ??????? ???????? ???????}, author = {?. ?. ??????}, publisher = {???????: ?? ??????}, year = {2017}, pages = {160--162}, journal = {?????????? ??????????? ? 2017: ??????? ???????? ?????.}, url = {http://eprints.zu.edu.ua/24728/} }