@article{zu216908,
          number = {6},
           month = {????????},
          author = {?. ?. ??????????? and ?. ?. ?????????},
           title = {??????????? ???????? ??????? ????????? ?????????},
       publisher = {????????? ???????? ????? ???? ???????},
         journal = {????? ? ??????. ???????-?????????? ?????? ?????????? ????????? ?????? ???? ???????},
           pages = {65--69},
            year = {2009},
             url = {http://eprints.zu.edu.ua/16908/}
}