@unpublished{zu230373,
           title = {?????????? ?????????? ?? ?????? ????????????? ???? ???????????? ???????? ??????},
          school = {???????????? ????????? ??????????? ????? ????? ??????},
          author = {?. ?. ???????????},
            year = {2019},
             url = {http://eprints.zu.edu.ua/30373/}
}