@article{zu215104,
          number = {7},
           title = {????? ????? ? ??????? ????? ??????? ?????????},
          author = {?. ?. ????????},
       publisher = {??? ??. ?. ??????},
            year = {2001},
           pages = {57--60},
         journal = {??????-???????????. ????????-???????????? ??????? ? ???????????? ???????},
             url = {http://eprints.zu.edu.ua/15104/}
}