@article{zu218404,
          number = {2(13)},
           title = {???????? ???????????? ??????????? ? ???????},
          author = {?. ?. ????????},
       publisher = {????????????? ??????????????? ???????????},
            year = {2013},
           pages = {171--174},
         journal = {?????? ????? ???},
             url = {http://eprints.zu.edu.ua/18404/}
}