@article{zu2553,
          number = {19},
           title = {?????????? ????? ??????????????? ??????????? ????????? ????????????? ??????????? ?? ???????? ? ????????? ???? ? ????? ?????????? ????????},
          author = {?. ?. ?????????? and ?. ?. ?????????},
            year = {2004},
           pages = {160--162},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/553/},
        abstract = {? ?????? ?????????? ?????????? ????? ??????????????? ??????????? ????????? ????????????? ??????????? ?? ???????? ? ????????? ???? ? ????? ?????????? ????????.}
}