@unpublished{zu23872,
           month = {??????},
           title = {???????? ???????? ???? ??? ????????? ????????? ???????? ? ????? ??????????? ????},
          author = {?????? ???????? ????????},
            year = {2009},
        keywords = {???????? ???????,?????????? ???,????????? ????????.},
             url = {http://eprints.zu.edu.ua/3872/},
        abstract = {??????? ?????? ????????? 53 ????? ???????? ?.}
}