@article{zu214515,
           title = {???????????? ?????? ?? ???????????? ????????????
???????? ??????},
          author = {?. ?. ???????? and ?. ??????},
       publisher = {???-?? ??? ??. ?. ??????},
            year = {2014},
           pages = {113--117},
         journal = {????????? ???????????? ???????????? ???????? ??????},
             url = {http://eprints.zu.edu.ua/14515/}
}