%0 Journal Article %T News and Notices %J Czechoslovak Mathematical Journal %D 1974 %P 167-169 %V 24 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1974.101228/ %R 10.21136/CMJ.1974.101228 %G en %F 10_21136_CMJ_1974_101228