%0 Journal Article %A A. D. Lapin %T The scattering of sound waves in non-regular wave guides %J Doklady Akademii Nauk %D 1958 %P 55-58 %V 118 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_118_1_a14/ %G ru %F DAN_1958_118_1_a14