@article{GDZPPN00221900X,
title = {On the Structure of Commutative Affine Group Schemes over a Non-Perfect Field.},
journal = {Manuscripta mathematica},
volume = {17},
year = {1975},
pages = {101-136},
zbl = {0317.14026},
url = {http://dml.mathdoc.fr/item/GDZPPN00221900X}
}
Takeuchi, Mitsuhiro. On the Structure of Commutative Affine Group Schemes over a Non-Perfect Field.. Manuscripta mathematica, Tome 17 (1975) pp. 101-136. http://gdmltest.u-ga.fr/item/GDZPPN00221900X/