@article{CM_1938__5__354_0, author = {Freudenthal, Hans}, title = {Die Haarschen Orthogonalsysteme von Gruppencharakteren im Lichte der Pontrjaginschen Dualit\"atstheorie}, journal = {Compositio Mathematica}, pages = {354--356}, publisher = {Johnson Reprint Corporation}, volume = {5}, year = {1938}, zbl = {0018.39204}, language = {de}, url = {www.numdam.org/item/CM_1938__5__354_0/} }
Freudenthal, Hans. Die Haarschen Orthogonalsysteme von Gruppencharakteren im Lichte der Pontrjaginschen Dualitätstheorie. Compositio Mathematica, Tome 5 (1938) , pp. 354-356. http://www.numdam.org/item/CM_1938__5__354_0/