@article{zu215870,
          number = {2},
           title = {????????????? ????????? ??????????????? ???????? ????????? ????????? ? ??????? ??????? ??????? ?????? ? ?????????? ????????},
          author = {?. ?. ???????? and ????????? ???????????},
       publisher = {???????: ???-?? ??? ????? ????? ??????},
            year = {2011},
           pages = {171--176},
         journal = {??????????? ???????????? ??????},
        keywords = {????? ??????, ???????? ?????, ??????? ??????, ???????, ?????????? ????, ?????????? ???????????},
             url = {http://eprints.zu.edu.ua/15870/},
        abstract = {? ?????? ?????????????? ????? ?????? ????????????? ????????? ??????????????? ? ???????? ??????? ??????? ??????? ??????? ?????? ? ?????????? ????????.}
}