@article{zu213503,
           title = {???? ????????????? ?? ?????? ??????????},
          author = {?. ?. ????????? and ?. ?. ????????},
       publisher = {??? ?????????},
            year = {2012},
           pages = {387--389},
         journal = {???????????? ?????? ????????? ?????????? ?? ?????????? ?????? ???????????: ??????? ???????-?????????? ????? / ?? ???. ???.   ?.?. ????????, ?.?. ????????},
             url = {http://eprints.zu.edu.ua/13503/}
}