@article{zu230821, title = {?????????? ?????????? ??????????? ? ?????? ???????? ???????? ?? ????????? ??????????? ?????????: ?????????? ??????}, author = {?. ?. ??????? and ?. ?. ???'?????}, year = {2020}, journal = {?????? ? ???????? ???????? ????????? ???}, url = {http://eprints.zu.edu.ua/30821/} }