TY - JOUR AU - Wu, Bing-Ye TI - On the first eigenvalue of spacelike hypersurfaces in Lorentzian space JO - Archivum mathematicum PY - 2006 SP - 233 EP - 238 VL - 42 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_2006__42_3_a3/ LA - en ID - ARM_2006__42_3_a3 ER -