TY  - JOUR
AU  - Verma, Ram U.
TI  - Numerical range and related nonlinear functional equations
JO  - Czechoslovak Mathematical Journal
PY  - 1992
SP  - 503
EP  - 513
VL  - 42
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1992.128350/
DO  - 10.21136/CMJ.1992.128350
LA  - en
ID  - 10_21136_CMJ_1992_128350
ER  -