@article{GDZPPN002382768, title = {Verallgemeinerte Matrixtransformationen.}, journal = {Mathematische Zeitschrift}, volume = {56}, year = {1952}, pages = {18-20}, language = {de}, url = {http://dml.mathdoc.fr/item/GDZPPN002382768} }
Zeller, K. Verallgemeinerte Matrixtransformationen.. Mathematische Zeitschrift, Tome 56 (1952) pp. 18-20. http://gdmltest.u-ga.fr/item/GDZPPN002382768/