%0 Journal Article
%A A. S. Markus
%T The eigen- and singular values of the sum and product of linear operators
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1964
%P 91-120
%V 19
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1964_19_4_a1/
%G en
%F RM_1964_19_4_a1