@article{GDZPPN002210908,
title = {Logarithmic forms and group varieties.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {435},
year = {1993},
pages = {19-62},
zbl = {0788.11026},
url = {http://dml.mathdoc.fr/item/GDZPPN002210908}
}
Wüstholz, G.; Baker, A. Logarithmic forms and group varieties.. Journal für die reine und angewandte Mathematik, Tome 435 (1993) pp. 19-62. http://gdmltest.u-ga.fr/item/GDZPPN002210908/