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@article{MZ_1969__109_171120, author = {Karl-Heinz Helwig}, title = {Halbeinfache reelle {Jordan-Algebren.}}, journal = {Mathematische Zeitschrift}, pages = {1--28}, publisher = {mathdoc}, volume = {109}, year = {1969}, language = {de}, url = {http://geodesic.mathdoc.fr/item/MZ_1969__109_171120/} }
Karl-Heinz Helwig. Halbeinfache reelle Jordan-Algebren.. Mathematische Zeitschrift, Tome 109 (1969), pp. 1-28. http://geodesic.mathdoc.fr/item/MZ_1969__109_171120/