@article{zu25697,
           title = {?????????? ????????????, ???????? ????? ????????????? ???????????},
          author = {?. ?. ?????? and ?. ?. ??????},
            year = {2008},
           pages = {533--537},
         journal = {??????????? ???????? ?????????????. ???????????, ???? ? ?????? ???????-2: ????????? ????????. ????. ????. - ??????. - 2008},
             url = {http://eprints.zu.edu.ua/5697/}
}