%0 Journal Article %A Willi Jäger %A Helmut Kaul %T Uniqueness and Stability of Harmonic Maps and Their Jacobi Fields. %J Manuscripta mathematica %D 1979 %P 269-292 %V 28 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1979__28_154639/ %F MM2_1979__28_154639