@article{GDZPPN002239892, title = {Liouville theorem for harmonic maps with potential.}, journal = {Manuscripta mathematica}, volume = {95}, year = {1998}, pages = {507-518}, zbl = {0911.58008}, url = {http://dml.mathdoc.fr/item/GDZPPN002239892} }
Chen, Qun. Liouville theorem for harmonic maps with potential.. Manuscripta mathematica, Tome 95 (1998) pp. 507-518. http://gdmltest.u-ga.fr/item/GDZPPN002239892/