TY - JOUR AU - Kazuo Akutagawa TI - On Spacelike Hypersurfaces with Constant Mean Curvature in the de Sitter Space. JO - Mathematische Zeitschrift PY - 1987 SP - 13 EP - 20 VL - 196 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZ_1987__196_173859/ ID - MZ_1987__196_173859 ER -