@article{zu229638, title = {???????????? ?????????? ??????????-????????? ???????? ?? ?????? ????????}, author = {?. ?. ????????? and ?. ?. ????? and ?. ?. ?????????? and ?. ?. ????}, publisher = {???????: ????? ?????????}, year = {2019}, pages = {426--428}, journal = {?????????? ??????????? ? 2019}, url = {http://eprints.zu.edu.ua/29638/} }