TY - JOUR AU - Zhang, Kewei TI - Some constancy results for harmonic maps from non-contractable domains into spheres JO - Electronic journal of differential equations PY - 2000 VL - 2000 UR - http://geodesic.mathdoc.fr/item/EJDE_2000__2000__a70/ LA - en ID - EJDE_2000__2000__a70 ER -