@article{MZ_1979__165_172803,
     author = {Klaus Pommerening},
     title = {Observable radizielle {Untergruppen} von halbeinfachen algebraischen {Gruppen.}},
     journal = {Mathematische Zeitschrift},
     pages = {243--250},
     publisher = {mathdoc},
     volume = {165},
     year = {1979},
     zbl = {0379.20040},
     url = {http://geodesic.mathdoc.fr/item/MZ_1979__165_172803/}
}