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@article{MAN_1990__287_1_164693, author = {Stephen Halperin}, title = {Primitive subspaces of {Hopf} algebras of finite depth.}, journal = {Mathematische Annalen}, pages = {387--390}, publisher = {mathdoc}, volume = {287}, number = {1}, year = {1990}, zbl = {0687.57019}, url = {http://geodesic.mathdoc.fr/item/MAN_1990__287_1_164693/} }
Stephen Halperin. Primitive subspaces of Hopf algebras of finite depth.. Mathematische Annalen, Tome 287 (1990) no. 1, pp. 387-390. http://geodesic.mathdoc.fr/item/MAN_1990__287_1_164693/