@article{GDZPPN002215381, title = {Involutionen von Jordan-Algebren.}, journal = {Manuscripta mathematica}, volume = {1}, year = {1969}, pages = {211-230}, language = {de}, url = {http://dml.mathdoc.fr/item/GDZPPN002215381} }
Helwig, Karl-Heinz. Involutionen von Jordan-Algebren.. Manuscripta mathematica, Tome 1 (1969) pp. 211-230. http://gdmltest.u-ga.fr/item/GDZPPN002215381/