@article{zu213779,
           title = {??????????? ????????? ? ????? ?????????? ????????},
          author = {?. ???????? and ?. ?. ????????},
       publisher = {???-?? ??? ??. ?. ??????},
            year = {2014},
           pages = {81--83},
         journal = {???????????? ????? ?????? ? ??????? ?? ?? ????????},
             url = {http://eprints.zu.edu.ua/13779/}
}