%0 Journal Article
%A Y.Y. Baldin
%A Maria H. Noronha
%T Some Complete Manifolds with Non-Negative Curvature Operator.
%J Mathematische Zeitschrift
%D 1987
%P 383-390
%V 195
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1987__195_183699/
%F MZ_1987__195_183699