@article{zu217724,
          volume = {39},
          number = {1},
           title = {? ??????? ?????????????????????????????? ? ??????????????? ??????},
          author = {?. ?. ??????? and ?. ?. ???????????},
            year = {1969},
           pages = {185--188},
         journal = {?????? ????? ?????},
             url = {http://eprints.zu.edu.ua/17724/}
}