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@article{CM_1937__4__145_0, author = {Freudenthal, Hans}, title = {Entwicklungen von {R\"aumen} und ihren {Gruppen}}, journal = {Compositio Mathematica}, pages = {145--234}, publisher = {Johnson Reprint Corporation}, volume = {4}, year = {1937}, zbl = {0016.28001}, language = {de}, url = {http://geodesic.mathdoc.fr/item/CM_1937__4__145_0/} }
Freudenthal, Hans. Entwicklungen von Räumen und ihren Gruppen. Compositio Mathematica, Tome 4 (1937), pp. 145-234. http://geodesic.mathdoc.fr/item/CM_1937__4__145_0/