@article{zu2862,
          number = {19},
           title = {?????? ? ?????? ? ?????? ????? ????????},
          author = {?. ?. ????????????},
            year = {2004},
           pages = {250--256},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/862/},
        abstract = {? ?????? ?????????? ?????? ??????? ???????????? ??????????? ??????? ? ?????? ????? ????????.}
}