%0 Journal Article %A Shing-Tung Yau %A Richard Schoen %T On Univalent Harmonic Maps Between Surfaces. %J Inventiones mathematicae %D 1978 %P 265-278 %V 44 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1978__44_142531/ %F IM_1978__44_142531