@article{zu26540,
           title = {?????????? ????? ????????? ??????????? ?????????? ? ??? ?? ???????????},
          author = {???? ?????},
            year = {2005},
           pages = {131--134},
         journal = {????? ??????? ? ??????? ???????: ?????????? ??????? ? ????????????? ?????????. ??????? ?????????? ?? ??????????? ???????????. ?????},
             url = {http://eprints.zu.edu.ua/6540/}
}