@inproceedings{zu26193,
       booktitle = {????????????? ?? ???????????????? ???????? ??????????: ????????? ????????? "???????? ??????},
           title = {???????? ?????????-??????????? ????????????? ? ???????? ???????},
          author = {?. ?. ??????????},
            year = {2007},
           pages = {56--60},
             url = {http://eprints.zu.edu.ua/6193/}
}