@article{zu21247,
          number = {21},
           title = {? ??????? ???????????? ?????? ???????? ?? ?????? ??????????? ??????????},
          author = {?. ?. ??????},
            year = {2005},
           pages = {266--268},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/1247/},
        abstract = {? ?????? ????? ??????? ?????? ???? ???????????? ?????? ??????????? ???????????? ?????????? ????? ?? ?????? ? ? ??????????? ?????? ? ???????????? ???????? ??? ???????? ?????? ??????????? ????????????-????????.}
}