@article{zu26539,
           title = {?? ??????? ?????????? ???????????? ??????????? ?? ???????????},
          author = {???? ?????},
            year = {2009},
           pages = {244--251},
         journal = {????????? ????? ????????? ?? ?????????????? ????????? (?? 70-????? ??????? ?????? ???????? ?????). ????????? ??????????? ???????-?????????? ??????????? ??? ?????????? ?? ?????????},
             url = {http://eprints.zu.edu.ua/6539/}
}