@article{zu2591,
          number = {13},
           title = {??????????? ?? ?????????? ? ?? ????? ???????? ??????? ?????????? ??????????? ??????? ??????},
          author = {?. ?. ???????},
       publisher = {???-?? ??? ??. ?.??????},
            year = {2003},
           pages = {76--78},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/591/},
        abstract = {????????????? ?????? ???????? ??????? ?????????? ??????????? ??????? ?????? ?? ????????? ??????????? ?? ??????????.}
}