%0 Journal Article %A Frédéric Helein %T Regularity and uniqueness of harmonic maps into and ellipsoid. %J Manuscripta mathematica %D 1988 %P 235-258 %V 60 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1988__60_2_155280/ %F MM2_1988__60_2_155280