TY  - JOUR
AU  - T. Yu. Kuliev
TI  - Filtered products, direct integrals, and convex analysis of numerical ranges
JO  - Matematičeskie zametki
PY  - 1990
SP  - 47
EP  - 55
VL  - 48
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1990_48_1_a6/
LA  - ru
ID  - MZM_1990_48_1_a6
ER  -