@article{zu217675,
          number = {5},
           title = {???????????? ??????? ? ???? ?????? ?????????? ?????},
          author = {?. ?. ??????????? and ?. ?. ????????},
            year = {1999},
           pages = {30--32},
         journal = {???????? ? ????? ? ?????},
             url = {http://eprints.zu.edu.ua/17675/}
}