@article{zu215863,
          number = {2},
           title = {???????? ??????? ???? ?????? ??????????????? ?????? ???????????? ???????},
          author = {?. ?. ???? and ???????? ?????},
            year = {2011},
           pages = {121--126},
         journal = {??????????? ???????????? ??????},
        keywords = {????????, ?????? ???????, ?????????? ???????, ???????, ?????? ???????, ??????, ?????????, ???????},
             url = {http://eprints.zu.edu.ua/15863/},
        abstract = {? ?????? ?????????????? ???????? ?. ?????? ??????????????? ?????? ???????????? ???????; ??????????? ?????? ? ?????????? ???????, ??????????? ? ????? ???????.}
}