@article{zu2887,
          number = {19},
           title = {????? ???????????? ?????????????? ?????? ??? ???????? ????????? ????},
          author = {?. ?. ??????? and ?. ?. ??????????},
            year = {2004},
           pages = {266--268},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/887/},
        abstract = {? ?????? ?????????? ????? ???? ?????????????? ??????, ?????????? ?????????? ???? ????????? ??????????? ??? ???????? ????????? ????.}
}