TY - JOUR AU - I. Y. Bylyi TI - The Field of Nonregular Short Wave scattered by a Smooth Convex Object in Penumbra JO - Zapiski Nauchnykh Seminarov POMI PY - 1981 SP - 13 EP - 26 VL - 117 UR - http://geodesic.mathdoc.fr/item/ZNSL_1981_117_a1/ LA - ru ID - ZNSL_1981_117_a1 ER -