@article{GDZPPN002334135,
title = {Primitive subspaces of Hopf algebras of finite depth.},
journal = {Mathematische Annalen},
volume = {287},
year = {1990},
pages = {387-390},
zbl = {0687.57019},
url = {http://dml.mathdoc.fr/item/GDZPPN002334135}
}
Halperin, Stephen. Primitive subspaces of Hopf algebras of finite depth.. Mathematische Annalen, Tome 287 (1990) pp. 387-390. http://gdmltest.u-ga.fr/item/GDZPPN002334135/