%0 Journal Article %A V. V. Sobolev %T A point source of light in an absorbing and scattering plane layer %J Doklady Akademii Nauk %D 1983 %P 837-840 %V 270 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1983_270_4_a16/ %G ru %F DAN_1983_270_4_a16