%0 Journal Article %T News and Notices %J Czechoslovak Mathematical Journal %D 1968 %P -569 %V 18 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1968.100852/ %R 10.21136/CMJ.1968.100852 %G ge %F 10_21136_CMJ_1968_100852