%0 Journal Article %A K. Urbanik %T Absolute-valued algebras with an involution %J Fundamenta Mathematicae %D 1960 %P 247-258 %V 49 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-49-3-247-258/ %R 10.4064/fm-49-3-247-258 %G en %F 10_4064_fm_49_3_247_258