%0 Journal Article %A A. F. Philippov %T Integral representations of the solutions of the two-dimensional wave equation, and diffraction problems %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1977 %P 718-728 %V 17 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1977_17_3_a15/ %G ru %F ZVMMF_1977_17_3_a15