@article{GDZPPN002087294,
title = {Halbeinfache Gruppenschemata \"uber vollst\"andigen Kurven.},
journal = {Inventiones mathematicae},
volume = {5},
year = {1968},
pages = {107-149},
zbl = {0186.25902},
url = {http://dml.mathdoc.fr/item/GDZPPN002087294}
}
HARDER, G. Halbeinfache Gruppenschemata über vollständigen Kurven.. Inventiones mathematicae, Tome 5 (1968) pp. 107-149. http://gdmltest.u-ga.fr/item/GDZPPN002087294/