%0 Journal Article %A Min-Chun Hong %T The Landau-Lifshitz equation with the external field - a new extension for harmonic maps with values in S2. %J Mathematische Zeitschrift %D 1995 %P 171-188 %V 220 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1995__220_1_174803/ %F MZ_1995__220_1_174803