@article{zu224134,
          volume = {2},
          number = {3},
          author = {?. ?. ?????????},
           title = {???????? ??????????? ???????????? ????????????? (?? ????????? ???????? ??????????? ???????????)},
       publisher = {?.: ?????},
         journal = {????? ? ??????????: ??. ????. ????? ????????????? ????????????? ???????????? ??. ?.?. ???????????},
           pages = {138--143},
            year = {1999},
             url = {http://eprints.zu.edu.ua/24134/}
}