@article{zu221455,
           title = {???????????? ??????? ???????? ???????????? ?? ????? ?? ?????????},
          author = {?. ???????? and ?. ?. ?????????},
       publisher = {???????: ???-?? ??? ??. ?. ??????},
            year = {2015},
           pages = {157--161},
         journal = {???????? ???????? ??????????: ??????? ???????? ????? / ??  ???. ?.?.????},
             url = {http://eprints.zu.edu.ua/21455/}
}