@article{zu214221,
           title = {????????-?????????? ??????????? ?? ?????????????? ???????? ????? ???????????? ???????},
          author = {?. ?. ???????????},
            year = {2013},
           pages = {207--209},
         journal = {?????????? ???????????. ? 2013: ????????? IV ????.-???????. ??????. ????},
             url = {http://eprints.zu.edu.ua/14221/}
}