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