@article{zu230040, title = {????? ?????????????? ????????? ??????? ? ????? ? ???????? ?????????}, author = {?. ?. ???????????}, publisher = {??????? : ??? ??.?. ??????????}, year = {2018}, pages = {70--74}, journal = {?????????? ???????? ? ????????? ??????????? ????? ??????????? ?????}, url = {http://eprints.zu.edu.ua/30040/} }