@unpublished{zu212689,
           title = {???????????? ?? ???????? ????????? ?????????? ????????????? ??????????? ?????? ????????.},
          author = {?. ?. ??? and ?. ?. ??????},
            year = {2013},
        keywords = {???????????? ?? ???????? ?????????,???????????? ??????????.},
             url = {http://eprints.zu.edu.ua/12689/},
        abstract = {?????? ?????????? ???????? ???????? ?????? ?????? ????? ????????,???????????? ????????????? ?? ????????? ????????? ?????????? ????????????? ???????????, ? ????? ?'???????? ?? ????????????? ????????? ???????? ????, ????? ???????? ?? ???? ????? ????? ????????? ? ?????? ???????????.}
}