%0 Journal Article
%A R. S. Makin
%T The spectrum of multigroup diffusion approximation of the neutron transport equation
%J Differencialʹnye uravneniâ
%D 1986
%P 1623-1626
%V 22
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1986_22_9_a23/
%G ru
%F DE_1986_22_9_a23