@article{GDZPPN002369532, title = {\"Uber n-fache Orthogonalsysteme in V?}, journal = {Mathematische Zeitschrift}, volume = {26}, year = {1927}, pages = {706-730}, zbl = {53.0685.03}, url = {http://dml.mathdoc.fr/item/GDZPPN002369532} }
Schouten, J., A. Über n-fache Orthogonalsysteme in V?. Mathematische Zeitschrift, Tome 26 (1927) pp. 706-730. http://gdmltest.u-ga.fr/item/GDZPPN002369532/