@article{zu222581,
           title = {???????-??????? ??? ?? ????? ????????? ????????? ????????? ????????????},
          author = {?. ?. ????????},
       publisher = {"???????"},
            year = {2015},
           pages = {164--170},
         journal = {?????? ???????? : ???????? ?? ???????????},
             url = {http://eprints.zu.edu.ua/22581/}
}