TY - JOUR AU - A. A. Danilov AU - V. I. Ivanov TI - Corrections to Fok asymptotics for a diffraction field near a surface of nonconstant curvature. II JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1981 SP - 1471 EP - 1480 VL - 21 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1981_21_6_a12/ LA - ru ID - ZVMMF_1981_21_6_a12 ER -