@article{zu2550,
          number = {7},
           title = {????????????? ????? ? ????????? ???? ????????},
          author = {?. ?. ?????????},
            year = {2001},
           pages = {50--52},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/550/},
        abstract = {????????????? ???????????? ????????? ????????? ????????? ???? ????????: ????????'???? ????????????, ??????????????, ???????????????? ????? ??????.}
}