@article{IM_1968__6_141936,
     author = {G. HARDER},
     title = {Halbeinfache {Gruppenschemata} \"uber vollst\"andigen {Kurven.}},
     journal = {Inventiones mathematicae},
     pages = {107--149},
     publisher = {mathdoc},
     volume = {6},
     year = {1968},
     zbl = {0186.25902},
     url = {http://geodesic.mathdoc.fr/item/IM_1968__6_141936/}
}