@unpublished{zu210485,
           title = {?????????? ?????????????? ???????? ????????? ????? ?????????? ????????? ???? ???????? ????????},
          author = {?. ?. ???????? and ?. ?. ???????},
       publisher = {???????: ???-?? ??? ??. ?.??????},
            year = {2013},
           pages = {314--317},
         journal = {???????????? ? ?????? ????????????????? ???????? ????? ?????: ??????? ???????? ????? / ?? ???. ???. ?.?. ??????????, ?.?. ????????.},
        keywords = {???????? ???????? ???,?????? ????????},
             url = {http://eprints.zu.edu.ua/10485/},
        abstract = {??????'? ? ???? ??????? ?????????, ??????????  ?? ??????????? ????????????, ? ?? ?????? ??????????? ?????? ? ???????? ???. ?? ?????? ???????????? ??????? ???????? ??????? ??????? 90\% ????? ????????? ???? ????? ?????????? ? ????? ????????, ????? 59\% ? ???????????? ??????? ???????????????, ? ?????????? ????? ?????? ?????????? ????? ? ?????????? ? ????????????? ???????????? ?? 50\%; 60-65\% ????? ???????? ???????? ?????????????? ?? ????????? ??????????????.}
}