%0 Journal Article %A V. M. Babich %T Method of D. Ludwig and boundary-layer method in the problem of diffraction by a smooth body %J Zapiski Nauchnykh Seminarov POMI %D 1972 %P 17-32 %V 27 %U http://geodesic.mathdoc.fr/item/ZNSL_1972_27_a2/ %G ru %F ZNSL_1972_27_a2