%0 Journal Article
%A Daniel Simson
%A Andrzej Skowroński
%T On the category of commutative connected graded Hopf algebras over a perfect field
%J Fundamenta Mathematicae
%D 1978
%P 137-149
%V 101
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm-101-2-137-149/
%R 10.4064/fm-101-2-137-149
%G en
%F 10_4064_fm_101_2_137_149