@article{zu211278,
          number = {3},
           title = {????????? ???????? ????????? ??? ?????????? ??????????? ?????????????? ??????????? ??????? ????????? ???? ? ?????? ?????????? ?????????},
          author = {?. ?. ??????????? and ?. ?. ???????},
       publisher = {?????????? ????????? ??????????? ????? ?????? ??????},
            year = {2009},
           pages = {230--232},
         journal = {??????? ???????},
             url = {http://eprints.zu.edu.ua/11278/},
        abstract = {? ?????? ????????????? ???????? ????????????? ??????? ?????????? ??????????? ??????? ????????? ???? ?? ??????????????? ?? ????????? ????????????. ????????????? ????? ???????????? ?????????? ?????????? ??? ?????????? ????????? ??????????? ? ?????? ?????????? ?????????.}
}