@article{MZ_1936__41_168678,
     author = {F. Theilheimer},
     title = {Ein {Beitrag} zur {Theorie} der charakteristischen {Invarianten}},
     journal = {Mathematische Zeitschrift},
     pages = {451--464},
     year = {1936},
     volume = {41},
     zbl = {0014.10006},
     url = {http://geodesic.mathdoc.fr/item/MZ_1936__41_168678/}
}