@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/