TY - JOUR AU - R. A. Airapetyan TI - Extension of CR-functions from piecewise smooth CR-manifolds JO - Sbornik. Mathematics PY - 1989 SP - 111 EP - 120 VL - 62 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1989_62_1_a6/ LA - en ID - SM_1989_62_1_a6 ER -