@article{zu25792,
           title = {????????????? ??? ???????? ? ?????? ???????? ????????????? ??????????},
          author = {?. ?. ????????},
       publisher = {???????????? ????????? ??????????? ????? ????? ??????},
            year = {2011},
           pages = {418--420},
         journal = {C?????? ???????? ?????????? ????????????? ??????????? ?? ???????? ?????????? ????????? ???: ??????? ???????? ?????},
             url = {http://eprints.zu.edu.ua/5792/}
}