@unpublished{zu27253,
           title = {?????? ? ???????? ???????? ??????? ????? ?????? " ???? ??????? ???, ????? ? ?????"},
          author = {?. ?. ??????? and ?. ?. ????????},
            year = {2012},
             url = {http://eprints.zu.edu.ua/7253/},
        abstract = {????????? ??? ?????????? ???????????? ?????? ? ???????? ?????????? ??????}
}