TY  - JOUR
AU  - Fuad Kittaneh
TI  - A numerical radius inequality and an estimate for the
 numerical radius of the Frobenius companion matrix
JO  - Studia Mathematica
PY  - 2003
SP  - 11
EP  - 17
VL  - 158
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm158-1-2/
DO  - 10.4064/sm158-1-2
LA  - en
ID  - 10_4064_sm158_1_2
ER  -