%0 Journal Article %A Robert Gulliver %A Joel Spruck %T Surfaces of Constant Mean Curvature Which Have a Simple Projection. %J Mathematische Zeitschrift %D 1972 %P 95-108 %V 129 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1972__129_171823/ %F MZ_1972__129_171823