TY - JOUR AU - Qing-ming Cheng TI - Complete space-like submanifolds in a de Sitter space with parallel mean curvature vector. JO - Mathematische Zeitschrift PY - 1991 SP - 333 EP - 340 VL - 206 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZ_1991__206_1_174229/ ID - MZ_1991__206_1_174229 ER -