@unpublished{zu210421,
          number = {4},
           title = {?????????? ??????? ????????? ????????? ? ?????????????? ??????????},
          author = {?. ?. ????},
       publisher = {???????????? ??????????????},
            year = {1999},
           pages = {22--27},
         journal = {?????? ????????????? ???????????????},
             url = {http://eprints.zu.edu.ua/10421/},
        abstract = {? ?????? ????????? ?????? ?????????? ??????? ????? ?? ???????? ?? ???????? ???????? ???????? ???????? ????? ???????? ????????? ??????????????? ???????, ?? ?. ?????????, ?. ??????? ?? ?. ???????.}
}