@article{zu2518,
          number = {20},
           title = {???????? ???? ? ??????????? ????? ?? ?????????? ??????},
          author = {?. ?. ??????},
            year = {2005},
           pages = {151--155},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/518/},
        abstract = {? ?????? ????????????? ???? ??? ?? ?????????? ?????? ? ??????????? ?????????????? ???????????? ?????? ?? ???? ??????????? ? ???????? ?? ????????? ? ??????????? ??????????.
}
}