@article{zu23500,
          number = {47},
           title = {????????? ????? ? ?????? ? ????????? ??????????? ?????????????? ?? ???????????? ??????????? (???????????????? ??????)},
          author = {?. ?. ???????},
       publisher = {???-?? ??? ??. ?.??????},
            year = {2009},
           pages = {233--236},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/3500/},
        abstract = {? ?????? ???????????? ????????????????? ? ?????????????? ??????? ?? ???????? ?????? ??????, ????? ? ?????????????, ?????????? ???????????? ??????????? ?????? ??????? ?????? ??????? ????????????? ? ????????????? ???????. ?????????, ?? ????????? ??? ??????? ????????? ?????????????? ?? ???????????? ??????????? ? ????????? ???????? ??????????? ???? ? ?? ?????????? (????????? ?????) ? ?????????.}
}