@article{zu212443,
           title = {???????????? ??????????? ? ???? ?? ?????????? ? ??????},
          author = {?. ???????? and ?. ?. ????????},
       publisher = {???-?? ??? ??. ?. ??????},
            year = {2014},
           pages = {217--221},
         journal = {???????????? ????? ?????? ? ??????? ?? ?? ????????},
             url = {http://eprints.zu.edu.ua/12443/}
}