TY - JOUR AU - A. F. Philippov TI - Study of the solution of the nonstationary problem of plane wave diffraction at an impedance wedge JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1967 SP - 825 EP - 835 VL - 7 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1967_7_4_a7/ LA - ru ID - ZVMMF_1967_7_4_a7 ER -