%0 Journal Article
%A Heinz Hopf
%A Yoshie Katsurada
%T Some Congruence Theorems for Closed Hypersurfaces in Riemann Space. (Part II: Method based on a Maximum Principle).
%J Commentarii mathematici Helvetici
%D 1968
%P 217-224
%V 43
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1968__43_139364/
%F CMH_1968__43_139364