%0 Journal Article %A Marcus, Marvin %T A Note an a Group Defined by a Quadratic Form %J Canadian mathematical bulletin %D 1960 %P 143-148 %V 3 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1960-017-4/ %R 10.4153/CMB-1960-017-4 %F 10_4153_CMB_1960_017_4