%0 Journal Article %A B. P. Belinskii %T A boundary-contact problem of acoustics in an infinite domain %J Doklady Akademii Nauk %D 1985 %P 77-81 %V 283 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1985_283_1_a17/ %G ru %F DAN_1985_283_1_a17