@article{zu230872,
           title = {????? ????????? ?? ????? ?????????? ?????????? ?????????????? ????? ??????? ????????? ?????},
          author = {?. ?. ?i????????? and ?. ?. ???????},
            year = {2020},
         journal = {?????? ? ???????? ???????? ????????? ???},
             url = {http://eprints.zu.edu.ua/30872/}
}