@article{zu224422, title = {????? ?????? ?? ???????? ??????????}, author = {?. ?. ????????? and ?. ?. ???????}, publisher = {???-?? ??? ??. ?. ??????}, year = {2016}, pages = {62--66}, journal = {??????????? ????????? ????? ? 2016}, url = {http://eprints.zu.edu.ua/24422/} }