@article{zu213504,
           title = {?????????? ???????????? ????????????? ??????? ?? ?????? ???????????????},
          author = {?. ?. ??????? and ?. ?. ???????},
       publisher = {??? ?????????},
            year = {2012},
           pages = {389--391},
         journal = {???????????? ?????? ????????? ?????????? ?? ?????????? ?????? ???????????: ??????? ???????-?????????? ????? / ?? ???. ???.   ?.?. ????????, ?.?. ????????},
             url = {http://eprints.zu.edu.ua/13504/}
}