%0 Journal Article %A M. Sh. Israilov %T Exact solutions of problems of the diffraction of waves by two parallel half-planes %J Doklady Akademii Nauk %D 1979 %P 855-858 %V 244 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_244_4_a15/ %G ru %F DAN_1979_244_4_a15