@article{zu218506,
          number = {2(13)},
           title = {??????????????? ?????? ?????????????? ???????????? ???????????? ?????????????? ??? ????????? ??????? ??????? ???????????},
          author = {?. ?. ????????},
       publisher = {????????????? ??????????????? ???????????},
            year = {2013},
           pages = {300--303},
         journal = {?????? ????? ???},
             url = {http://eprints.zu.edu.ua/18506/}
}