%0 Journal Article %A E. A. Ivanov %T A boundary value problem of the theory of wave diffraction, solvable by the paired equation method %J Differencialʹnye uravneniâ %D 1979 %P 1898-1900 %V 15 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1979_15_10_a18/ %G ru %F DE_1979_15_10_a18