TY - JOUR AU - A. A. Borisenko TI - Isometric immersions of space forms into Riemannian and pseudo-Riemannian spaces of constant curvature JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2001 SP - 425 EP - 497 VL - 56 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_2001_56_3_a0/ LA - en ID - RM_2001_56_3_a0 ER -