@inproceedings{zu26087,
       booktitle = {????????????? ?? ???????????????? ???????? ??????????:  ????????? ????????? "???????? ??????},
           title = {????????????? ?? ?????? ?????????? ?????????? ??????? ? ???????????},
          author = {?. ?. ?????????},
            year = {2007},
           pages = {13--19},
             url = {http://eprints.zu.edu.ua/6087/}
}