@article{zu2643,
          number = {3},
           title = {????????????? ?????? ? ???????? ??????????? ???????? ?????????? ???? ???},
          author = {?. ?. ??????},
       publisher = {???-?? ??? ??. ?.??????},
            year = {1999},
           pages = {80--84},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/643/},
        abstract = {??????????????? ????????? ???????? ????????? ?????????? ??????????????? ??? ?? ?? ????????? ??????????? ???????????? ????????????, ??? ? ???? ?????}
}