%0 Journal Article %T News and Notices %J Czechoslovak Mathematical Journal %D 1977 %P 170-171 %V 27 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1977.101455/ %R 10.21136/CMJ.1977.101455 %G en %F 10_21136_CMJ_1977_101455