%0 Journal Article %A Mitsuhiro Takeuchi %T On the Structure of Commutative Affine Group Schemes over a Non-Perfect Field. %J Manuscripta mathematica %D 1975 %P 101-136 %V 16 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1975__16_154336/ %F MM2_1975__16_154336