@inproceedings{zu26223,
       booktitle = {????????????? ?? ???????????????? ???????? ??????????:  ????????? ????????? "???????? ??????},
           title = {????????????? ????? ???????? ???????????},
          author = {?. ?. ??????},
            year = {2007},
           pages = {105--107},
             url = {http://eprints.zu.edu.ua/6223/}
}