@article{zu2615,
          number = {3},
           title = {??????????? ???????? ???????? ?????? ?? ?????? ???????????? ??????? ? ?????????? ??????},
          author = {?. ?. ??????? and ?. ?. ??????},
       publisher = {???-?? ??? ??. ?.??????},
            year = {1999},
           pages = {72--74},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/615/},
        abstract = {? ?????? ????????????? ??????????? ?????? ??? ????????? ??????? ?? ?????? ???????????? ??????? ? ?????????? ?????. ???????????? ????????, ???'????? ? ????????? ???????? ??????, ? ???????????? ????? ?? ????'??????}
}