@article{zu214457,
           title = {?????? ?????????? ????????? ?? ???????? (???, ??????)},
          author = {?. ??????? and ?. ?. ????????},
       publisher = {???-?? ??? ??. ?. ??????},
            year = {2014},
           pages = {213--216},
         journal = {???????????? ????? ?????? ? ??????? ?? ?? ???????? : ??????? ???????? ?????},
             url = {http://eprints.zu.edu.ua/14457/}
}