%0 Journal Article %A P. I. Kolykhalov %T Amplification of acoustical disturbances in the case of reflection %J Doklady Akademii Nauk %D 1985 %P 95-98 %V 280 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1985_280_1_a22/ %G ru %F DAN_1985_280_1_a22