@article{05827441,
title = {Power reductivity over an arbitrary base.},
journal = {Documenta Mathematica},
volume = {15},
year = {2010},
pages = {171-195},
zbl = {1213.20044},
language = {en},
url = {http://dml.mathdoc.fr/item/05827441}
}
Franjou, Vincent; van der Kallen, Wilberd. Power reductivity over an arbitrary base.. Documenta Mathematica, Tome 15 (2010) pp. 171-195. http://gdmltest.u-ga.fr/item/05827441/