%0 Journal Article %A V. P. Smyshlyaev %T Diffraction of the plane waves on conical obstacles %J Zapiski Nauchnykh Seminarov POMI %D 1988 %P 142-154 %V 173 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1988_173_a12/ %G ru %F ZNSL_1988_173_a12