@unpublished{zu23991,
           month = {February},
           title = {??????????? ?????? ????????? ??????????? ?? ?????????? ????? ?????},
          author = {????? ?????????? ?????},
            year = {2009},
        keywords = {?????????????? ??????????,??????????????? ? ??????? ???????????, ????????? ?????????.},
             url = {http://eprints.zu.edu.ua/3991/},
        abstract = {??????? ?????? ????????? 54 ????? ??? ????? ?.?.
???????? ????????: ???????? ?.?.}
}