@article{zu213502,
           title = {?????????? ????????? ????? ?????????? ??????},
          author = {?. ?. ??????? and ?. ?. ?????????},
       publisher = {??? ?????????},
            year = {2012},
           pages = {385--387},
         journal = {???????????? ?????? ????????? ?????????? ?? ?????????? ?????? ???????????: ??????? ???????-?????????? ????? / ?? ???. ???.   ?.?. ????????, ?.?. ????????},
             url = {http://eprints.zu.edu.ua/13502/}
}