@article{zu213563,
           title = {?? ???????? ?????????? ???????? ??????????? ? ????????? ??????????????? ??????},
          author = {?. ?. ???????? and ?. ?. ????????},
       publisher = {???-?? ??? ????? ????? ??????},
            year = {2012},
           pages = {227--230},
         journal = {????????? ????????? ????? ?? ??????: ??????, ????????, ??????????? ????????: ??????? ???????? ????? / ?? ???. ?. ?. ?????????, ?. ?. ????????},
             url = {http://eprints.zu.edu.ua/13563/}
}