@article{zu215571,
          number = {5},
           title = {????????? ????????, ???'?????? ?? ???????, ? ???????? ?????????? ?????? ???????????? ???????},
          author = {?. ?. ?????????? and ???????? ??????????},
       publisher = {???????: ??? ????? ????? ??????},
            year = {2014},
           pages = {136--139},
         journal = {??????????? ???????????? ??????},
        keywords = {????????? ???????? ????????, ??????? ?????????? ??????, ??????????? ???????, ???????????????? ???????, ??????? ????????, ??????? ???????},
             url = {http://eprints.zu.edu.ua/15571/},
        abstract = {? ?????? ?????????????? ????? ?????? ??? ?  ????????, ?????????? ?? ???????? ???????? ? ???????, ??? ??????????? ? ????????????????? ???????? ?????????? ?????? ???????????? ???????.}
}