%0 Journal Article
%A H. Rasiowa
%A Roman Sikorski
%T On the Gentzen theorem
%J Fundamenta Mathematicae
%D 1959
%P 59-69
%V 48
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm-48-1-59-69/
%R 10.4064/fm-48-1-59-69
%G de
%F 10_4064_fm_48_1_59_69