@article{zu218379,
          number = {2(13)},
           title = {?????????? ?????????????? ???????? ??? ????????????},
          author = {?. ?. ??????????},
       publisher = {????????????? ??????????????? ???????????},
            year = {2013},
           pages = {50--54},
         journal = {?????? ????? ???},
             url = {http://eprints.zu.edu.ua/18379/}
}