@article{zu230814, title = {???????????? ????????????-?????????????? ?????????? ?? ???????? ??????????? ???? ? ???????? ?????????? ??????}, author = {?. ?. ????????? and ?. ?. ????????}, year = {2020}, journal = {?????? ? ???????? ???????? ????????? ???}, url = {http://eprints.zu.edu.ua/30814/} }