@article{zu2560,
          number = {3},
           title = {???????????? ?????? ??????? ???????????? ?????????? ??????????? ????????},
          author = {?. ?. ????????},
       publisher = {???-?? ??? ??. ?.??????},
            year = {1999},
           pages = {59--62},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/560/},
        abstract = {?  ?????? ?????????? ???????????? ?????? ??????? ????????????? ?????????? ??????????? ??????? ?? ?????? ?????? ???????-???????????? ??????? ???????? ?????????? ?? ??????????}
}