%0 Journal Article
%A Ryszard Deszcz
%A Wiesław Grycak
%T On certain curvature conditions on Riemannian manifolds
%J Colloquium Mathematicum
%D 1989
%P 259-268
%V 58
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm-58-2-259-268/
%R 10.4064/cm-58-2-259-268
%G en
%F 10_4064_cm_58_2_259_268