%0 Journal Article %A R. Osserman %A R. Schoen %A D.A. Hoffman %T On the Gauss map of complete surfaces of constant mean curvature in R3 and R4. %J Commentarii mathematici Helvetici %D 1982 %P 519-531 %V 57 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1982__57_139920/ %F CMH_1982__57_139920