@article{zu228490, title = {?????????? ?????? ?????????? ??????????? ??????? ???????? ?? ??????????? ?????? ???????????????}, author = {?. ?. ???????}, publisher = {???????: ?? "????"}, year = {2018}, pages = {394--396}, journal = {?????????? ??????????? ? 2018}, url = {http://eprints.zu.edu.ua/28490/} }