%0 Journal Article %A Elgethun, E. D. %T Subgroups of Central Separable Algebras %J Canadian journal of mathematics %D 1973 %P 881-887 %V 25 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1973-092-8/ %R 10.4153/CJM-1973-092-8 %F 10_4153_CJM_1973_092_8