@article{zu21519,
          number = {34},
           title = {???????? ? ??????????? ?????????? ??????????? ???????????? ???????? ???????? ???????? ???????? ???????????? ??????????},
          author = {?. ?. ??????? and ?. ?. ??????????},
       publisher = {???-?? ??? ??. ?.??????},
            year = {2007},
           pages = {50--52},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/1519/},
        abstract = {? ?????? ?????????????? ???????? ???? ?? ???????? ?????????? ??????????? ???????????? ????????? ???????? ???????? ???????? ???????? ???????????? ??????????. ??????????? ????? ??????? ????? ???? ???????? ??????????? ??????, ???????????-???????????? ??????, ????????? ?????? ?? ???? ??????????? ???????? ?????????? ?? ???????? ??????????, ?? ????? ??????? ???????????? ???????? ???????? ??????. ????????? ????? ?? ??????????? ?????????? ???????? ???????? ???????? ??? ?? ???? ???????????? ?????????-????????????? ???????, ????? ????????? ???? ???????????.}
}