@article{zu228517,
          number = {3},
           title = {?????????-???????? ?????? ???????? ??????????? ?????????????},
          author = {?. ?. ??????? and ?. ?. ????????},
       publisher = {??????????? ???????????? ??????????? ?????????? ?????},
            year = {2009},
           pages = {57--60},
         journal = {????? ? ???????},
             url = {http://eprints.zu.edu.ua/28517/}
}