TY  - JOUR
AU  - A. S. Markus
TI  - The eigen- and singular values of the sum and product of linear operators
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1964
SP  - 91
EP  - 120
VL  - 19
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1964_19_4_a1/
LA  - en
ID  - RM_1964_19_4_a1
ER  -