@article{zu218135,
          number = {1},
           month = {???????},
          author = {?. ?. ????????????},
           title = {??????????? ????? ????????? ?????????? ??????????? ? ??????? ???????? ???? ???????},
       publisher = {??? "??????"},
         journal = {???????? ?????????? ?????????? ? ??????????},
           pages = {217--224},
            year = {2008},
        keywords = {????????? ?????????? ??????????? ? ??????? ???????? ???? ???????, ?????????? ??????????? ? ??????? ???????? ????, ?????????? ????????},
             url = {http://eprints.zu.edu.ua/18135/},
        abstract = {????????? ?????????? ? ??????? ???????? ???? ??????? ???????? ???????? ?????? ??????????? ? ?????? ??????????? ???????? ?? ???????? ??????????, ?? ??????????????? ???????? c???????????? ?? ?????????? ?? ????? ????? ??????????, ??? ?? ??????????? ????????? ????? ?????.}
}