@unpublished{zu27476,
           title = {???????? ???????? ????? ????? ??? ???????????? ?????????},
          author = {?. ?. ??????? and ?. ?. ???????? and ?. ?. ????},
            year = {2012},
             url = {http://eprints.zu.edu.ua/7476/},
        abstract = {????????? ??? ???????????? ?????? ? ???????? ?????????? ??????.}
}