@article{zu220988, title = {?? ??????? ??????????? ???????-???????? ?????????? ???????? ?????? ? ?????}, author = {?. ?. ??????? and ?. ?. ?????? and ?. ?. ?????????}, publisher = {???????: ?? ??????}, year = {2016}, pages = {193--194}, journal = {?????????? ??????????? ? 2016}, url = {http://eprints.zu.edu.ua/20988/} }