@unpublished{zu212704,
           title = {????????? ??????????? ?????????? ????? ? ????? ?????????? ???????? (?-?? ????? ???????????)

},
          author = {?. ?. ????????? and ?. ?. ??????????},
            year = {2014},
        keywords = {???????? ??????????, ????????? ????????, ??????????? ????????},
             url = {http://eprints.zu.edu.ua/12704/},
        abstract = {? ????? ?????? ??? ????????? ???????????? ????????? ? ???????? ?????????? ????? ? ????? ?????????? ???????? ?? ???????? ????????? ?????????? ???????????? ?????????? ? ?????????? ??????. }
}