@inproceedings{zu215260,
       booktitle = { ????????? ???????? ????????? ? ??????? ? ????????? ???????? ?????????},
           title = {?? ??????? ??? ????? ????????????? ?? ???????? ????????? ???????????},
          author = {?. ?. ???????},
            year = {2003},
             url = {http://eprints.zu.edu.ua/15260/}
}