@unpublished{zu228538,
           title = {??????? ??????? ??????????? ??????? ?? ?????? ???????????-?????????? ?????????????},
          school = {???????????? ????????? ??????????? ????? ????? ??????},
          author = {?. ?. ??????},
            year = {2019},
             url = {http://eprints.zu.edu.ua/28538/}
}