@article{GDZPPN002109549, title = {Liouville theorems for harmonic maps.}, journal = {Inventiones mathematicae}, volume = {110}, year = {1992}, pages = {1-10}, zbl = {0768.53016}, url = {http://dml.mathdoc.fr/item/GDZPPN002109549} }
Jin, Zhiren. Liouville theorems for harmonic maps.. Inventiones mathematicae, Tome 110 (1992) pp. 1-10. http://gdmltest.u-ga.fr/item/GDZPPN002109549/