@article{GDZPPN002216817,
title = {A Correspondence between Hopf Ideals and Sub-Hopf Algebras.},
journal = {Manuscripta mathematica},
volume = {7},
year = {1972},
pages = {251-270},
zbl = {0238.16011},
url = {http://dml.mathdoc.fr/item/GDZPPN002216817}
}
Takeuchi, Mitsuhiro. A Correspondence between Hopf Ideals and Sub-Hopf Algebras.. Manuscripta mathematica, Tome 7 (1972) pp. 251-270. http://gdmltest.u-ga.fr/item/GDZPPN002216817/