%0 Journal Article
%T News and Notices
%J Czechoslovak Mathematical Journal
%D 1972
%P 683-687
%V 22
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1972.101134/
%R 10.21136/CMJ.1972.101134
%G en
%F 10_21136_CMJ_1972_101134