@inproceedings{zu213435,
       booktitle = {???????, ????????????, ????????? ?? ??????????? ?????? ? ????????? ?????????????? ????????: ???????????? ?? ????????????????? ???????},
           title = {?????????? ????? ? ???????? ?????????????????? ???????????: ?????????????? ?? ????????????? ???????},
          author = {?. ?. ?????????? and ???? ????????? ????????},
            year = {2012},
           pages = {280--283},
             url = {http://eprints.zu.edu.ua/13435/}
}