%0 Journal Article
%A Helmut Kaul
%A Stefan Hildebrandt
%A Kjell-Ove Widman
%T Harmonic mappings into Riemannian manifolds with non-positive sectional curvature.
%J Mathematica Scandinavica
%D 1975
%P 257-263
%V 37
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MS2_1975__37_166443/
%F MS2_1975__37_166443