@inproceedings{zu213439,
       booktitle = {???????, ????????????, ????????? ?? ??????????? ?????? ? ????????? ?????????????? ????????: ???????????? ?? ????????????????? ???????},
           title = {?????????? ??????? ?? ?????????? ?????? ?????? ????????? ? ????????? ??????? ???????? ???????????: ?????-???????????????? ???????},
          author = {?. ?. ??????? and ?. ?. ???????},
            year = {2012},
           pages = {251--253},
             url = {http://eprints.zu.edu.ua/13439/}
}