@article{MZ_1993__212_4_174478,
     author = {Wilberd van der Kallen},
     title = {Infinitesimal fixed points in modules with good filtration.},
     journal = {Mathematische Zeitschrift},
     pages = {157--160},
     publisher = {mathdoc},
     volume = {212},
     number = {4},
     year = {1993},
     zbl = {0798.20036},
     url = {http://geodesic.mathdoc.fr/item/MZ_1993__212_4_174478/}
}