%0 Journal Article %A E. A. Krasil'shchikova %T Diffraction of acoustic wave on slit %J Doklady Akademii Nauk %D 1974 %P 59-62 %V 217 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1974_217_1_a14/ %G ru %F DAN_1974_217_1_a14