%0 Journal Article %T News and Notices %J Czechoslovak Mathematical Journal %D 1967 %V 17 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1967.100777/ %R 10.21136/CMJ.1967.100777 %G en %F 10_21136_CMJ_1967_100777