%0 Journal Article %A Qun Chen %T Liouville theorem for harmonic maps with potential. %J Manuscripta mathematica %D 1998 %P 507-518 %V 95 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1998__95_3_156391/ %F MM2_1998__95_3_156391