%0 Journal Article %A O. A. Ladyzhenskaya %A V. Ya. Rivkind %A N. N. Ural'tseva %T The classical solvability of diffraction problems %J Informatics and Automation %D 1966 %P 116-146 %V 92 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1966_92_a7/ %G ru %F TRSPY_1966_92_a7