@article{zu24720,
           title = {?????? ??????? ???????????},
          author = {?. ?. ???-???????? and ?. ?. ??????},
       publisher = {???????????? ????????? ??????????? ????? ?. ??????},
            year = {2011},
           pages = {20--21},
         journal = {??????? ???????? ????? "?????????? ???????????-2011"},
             url = {http://eprints.zu.edu.ua/4720/}
}