@unpublished{zu27530,
           title = {???????? ???????? ????? ?????????????????},
          author = {?. ?. ??????? and ?. ?. ???????? and ?. ?. ????},
            year = {2012},
             url = {http://eprints.zu.edu.ua/7530/},
        abstract = {????????? ??? ???????????? ?????? ?? ???????? ???????? ??????}
}