%0 Journal Article
%A Ernst Alfred Ruh
%T On teh Automorphism group of a G-structure.
%J Commentarii mathematici Helvetici
%D 1964
%P 189-204
%V 39
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1964__39_139287/
%F CMH_1964__39_139287