@inproceedings{zu26216,
       booktitle = {????????????? ?? ???????????????? ???????? ??????????:  ????????? ????????? "???????? ??????},
           title = {??????????????????? ?? ???????????? ?????? ?????????????},
          author = {?. ?. ??????},
            year = {2007},
           pages = {88--92},
             url = {http://eprints.zu.edu.ua/6216/}
}