%0 Journal Article %A Childs, L. N. %T On Projective Modules and Automorphisms of Central Separable Algebras %J Canadian journal of mathematics %D 1969 %P 44-53 %V 21 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-005-6/ %R 10.4153/CJM-1969-005-6 %F 10_4153_CJM_1969_005_6