@article{zu213848,
           title = {??????????? ??????????? ?????? ?????????},
          author = {?. ????????? and ?. ?. ?????????},
       publisher = {???-?? ??? ??. ?. ??????},
            year = {2014},
           pages = {154--156},
         journal = {???????????? ????? ?????? ? ??????? ?? ?? ????????},
             url = {http://eprints.zu.edu.ua/13848/}
}