%0 Journal Article
%A N. V. Zepelev
%T Shadow zone of the boundary inhomogeneous half-space
%J Zapiski Nauchnykh Seminarov POMI
%D 1970
%P 209-217
%V 17
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1970_17_a10/
%G ru
%F ZNSL_1970_17_a10