@article{2317,
author = {Halpern, Edward},
title = {On the structure of hyperalgebras. Class 1 Hopf algebras},
journal = {Portugaliae mathematica},
volume = {17},
year = {1958},
pages = {127-147},
zbl = {0095.02505},
mrnumber = {0111023},
language = {en},
url = {http://dml.mathdoc.fr/item/2317}
}
Halpern, Edward. On the structure of hyperalgebras. Class 1 Hopf algebras. Portugaliae mathematica, Tome 17 (1958) pp. 127-147. http://gdmltest.u-ga.fr/item/2317/