TY  - JOUR
AU  - Daniel Simson
AU  - Andrzej Skowroński
TI  - On the category of commutative connected graded Hopf algebras over a perfect field
JO  - Fundamenta Mathematicae
PY  - 1978
SP  - 137
EP  - 149
VL  - 101
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-101-2-137-149/
DO  - 10.4064/fm-101-2-137-149
LA  - en
ID  - 10_4064_fm_101_2_137_149
ER  -