TY - JOUR AU - A. D. Lapin TI - The scattering of sound waves in non-regular wave guides JO - Doklady Akademii Nauk PY - 1958 SP - 55 EP - 58 VL - 118 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1958_118_1_a14/ LA - ru ID - DAN_1958_118_1_a14 ER -