@article{MM2_1998__95_3_156391,
     author = {Qun Chen},
     title = {Liouville theorem for harmonic maps with potential.},
     journal = {Manuscripta mathematica},
     pages = {507--518},
     publisher = {mathdoc},
     volume = {95},
     number = {3},
     year = {1998},
     zbl = {0911.58008},
     url = {http://geodesic.mathdoc.fr/item/MM2_1998__95_3_156391/}
}