@inproceedings{zu26205,
       booktitle = {????????????? ?? ???????????????? ???????? ??????????: ????????? ????????? "???????? ??????},
           title = {??????????? ?????? ????????? ? ????????? ???????? XXI ????????},
          author = {?. ?. ????},
            year = {2007},
           pages = {86--87},
             url = {http://eprints.zu.edu.ua/6205/}
}