@article{zu25291,
          number = {32},
           title = {????? ???????????? ???????? ??????? ????????? ????? ????????????? ?????? ?? ???????????? ????????? ?????? ? ??????? ??????????},
          author = {?. ?. ?????????? and ?. ?. ?????????? and ?. ?. ????},
            year = {2003},
           pages = {261--265},
         journal = {?????? ??????????? ????????????. ????? ??????????},
             url = {http://eprints.zu.edu.ua/5291/}
}