@article{GDZPPN002219387,
title = {Forms of Certain Hopf Algebras.},
journal = {Manuscripta mathematica},
volume = {17},
year = {1975},
pages = {333-338},
zbl = {0324.16010},
url = {http://dml.mathdoc.fr/item/GDZPPN002219387}
}
Radford, D.E.; Taft, E.J.; Wilson, R.L. Forms of Certain Hopf Algebras.. Manuscripta mathematica, Tome 17 (1975) pp. 333-338. http://gdmltest.u-ga.fr/item/GDZPPN002219387/