%0 Journal Article
%A I. A. Fel'dman
%T On the finiteness of the discrete spectrum of the characteristic equation in the theory of radiative transfer
%J Doklady Akademii Nauk
%D 1974
%P 1280-1283
%V 214
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1974_214_6_a11/
%G ru
%F DAN_1974_214_6_a11