%0 Journal Article %A A. G. Kleshchev %A A. M. Lisin %T On the solution of a distance problem of the acoustics %J Doklady Akademii Nauk %D 1979 %P 319-321 %V 248 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_248_2_a14/ %G ru %F DAN_1979_248_2_a14