%0 Journal Article %T News and Notices %J Czechoslovak Mathematical Journal %D 1963 %P 324-326 %V 13 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1963.100570/ %R 10.21136/CMJ.1963.100570 %G en %F 10_21136_CMJ_1963_100570