@article{zu23221,
          number = {3-4},
           title = {??????? ???????????:  ?? ?????? ? ??????????, ???????? ? ?? ???????},
          author = {?????? ??????},
            year = {2007},
           pages = {303--308},
         journal = {?????????? ???????????},
             url = {http://eprints.zu.edu.ua/3221/},
        abstract = {?????? ??????????? ?????, ???????????? ??????? ?? ????????? ??????? ????????????.}
}