@unpublished{zu231121,
           title = {?????????? ?????????????? ?????????????? ????????? ?????????? ????????? ??? ???????? ????????????-?????????????? ??????????},
          school = {???????????? ????????? ??????????? ????? ????? ??????},
          author = {?. ?. ?????????},
            year = {2020},
             url = {http://eprints.zu.edu.ua/31121/}
}