@unpublished{zu229490,
           title = {????????? ?????????????? ?? ????????? ?????????? ?????????????? ???????????: ?????????-???????????? ??????},
          school = {???????????? ????????? ??????????? ????? ????? ??????},
          author = {?. ?. ????????},
            year = {2019},
             url = {http://eprints.zu.edu.ua/29490/}
}