@article{zu217797,
           title = {??????? ??????????????????? ? ??????????????? ??????????},
          author = {?. ?. ???????? and ?. ??????? and ?. ?. ???????},
            year = {1999},
           pages = {72--75},
         journal = {??????? ????? ? ??????????. ???????: ??????},
             url = {http://eprints.zu.edu.ua/17797/}
}