@article{zu230867, title = {?????????? ?????? ???????????? ??????? ?????????? ? ??????? ???????? ??????????? ??????????? ????????? ? ?????????? ?????}, author = {?. ?. ???? and ?. ?. ???'?????}, year = {2020}, journal = {?????? ? ???????? ???????? ????????? ???}, url = {http://eprints.zu.edu.ua/30867/} }