TY - JOUR AU - A. B. Givental' TI - Singular Lagrangian manifolds and their Lagrangian mappings JO - Itogi Nauki i Tekhniki. Seriya Sovremennye Problemy Matematiki. Noveishie Dostizheniya PY - 1988 SP - 55 EP - 112 VL - 33 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/INTD_1988_33_a2/ LA - ru ID - INTD_1988_33_a2 ER -