TY - JOUR AU - A. D. Vainshtein AU - B. Z. Shapiro TI - Singularities of the boundary of a~domain of hyperbolicity JO - Itogi Nauki i Tekhniki. Seriya Sovremennye Problemy Matematiki. Noveishie Dostizheniya PY - 1988 SP - 193 EP - 214 VL - 33 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/INTD_1988_33_a5/ LA - ru ID - INTD_1988_33_a5 ER -