@techreport{zu231659,
            type = {?????},
           title = {?????????????? ?? ??????????? ????????. ??????? I},
          author = {?. ?. ??????????? and ?. ?. ????????},
       publisher = {???????????? ????????? ??????????? ????? ????? ??????},
            year = {2020},
             url = {http://eprints.zu.edu.ua/31659/}
}