@article{MZ_1994__217_1_174682,
     author = {Yunmei Chen and Jianmin Gao},
     title = {Harmonic maps in three dimensional {Minkowski} space with image near geodesics.},
     journal = {Mathematische Zeitschrift},
     pages = {95--108},
     publisher = {mathdoc},
     volume = {217},
     number = {1},
     year = {1994},
     zbl = {0806.58010},
     url = {http://geodesic.mathdoc.fr/item/MZ_1994__217_1_174682/}
}