@article{zu234454, title = {?????????????? ?????? ?????? ?????????????????????? ??????????? ???????????? ???????}, author = {?. ?. ????????? and ?. ?. ???????}, year = {2020}, journal = {????? ? ??????? ?????????? ?? ?????????? ?? ??????????????? ? 2020. ??????? ???????? ?????}, url = {http://eprints.zu.edu.ua/34454/} }