@unpublished{zu27525,
           title = {???????? ?????????? ?????? ???????? ? ????????? ????? ??????},
          author = {?. ?. ??????? and ?. ?. ???????? and ?. ?. ????},
            year = {2012},
             url = {http://eprints.zu.edu.ua/7525/},
        abstract = {????????? ??? ???????????? ?????? ? ???????? ???????? ??????}
}