@article{GDZPPN00222707X,
title = {Hopf Algebra of the Multiplicative Group and Other Groups.},
journal = {Manuscripta mathematica},
volume = {55},
year = {1986},
pages = {121-136},
zbl = {0604.16005},
url = {http://dml.mathdoc.fr/item/GDZPPN00222707X}
}
Pareigis, Bodo; Haggenmüller, R. Hopf Algebra of the Multiplicative Group and Other Groups.. Manuscripta mathematica, Tome 55 (1986) pp. 121-136. http://gdmltest.u-ga.fr/item/GDZPPN00222707X/