@article{zu216414,
           title = {????? ???????????? ?????????? ???????? ?? ?????????? ?????????? ???????????},
          author = {?. ?. ????????},
       publisher = {???-?? ??? ????? ????? ??????},
            year = {2011},
           pages = {239--243},
         journal = {?????????? ??????????? ??????: ??????????????? ??????: ??????????},
             url = {http://eprints.zu.edu.ua/16414/}
}