@inproceedings{zu27220,
       booktitle = {????????? ?????????? ????????-??????????? ???????????},
           title = {???????????? ? ????????? ???????????? (?? ????????? ????????)},
          author = {?????? ???????????},
            year = {2008},
           pages = {81--82},
             url = {http://eprints.zu.edu.ua/7220/}
}