@article{zu21663,
          number = {31},
           title = {??????????? ?????? ?????????? ????????? ???????? ?? ?????????? ??????????? ??????????????? ? ???????? ????????},
          author = {?. ?. ????????},
       publisher = {???-?? ??? ??. ?.??????},
            year = {2007},
           pages = {171--173},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/1663/},
        abstract = {? ?????? ?????????? ???? ?????????? ????????? ???????? ?? ?????????? ??????????? ??????????????? ? ???????? ???????? ???????? ?????? ?????????????? ?????????. ????????? ?????, ???????? ?? ????????? ?????????? ????????? ?? ?????????? ??????????? ??????????????? ? ????? ?????????? ??????.}
}