TY  - JOUR
AU  - Salinas, Norberto
TI  - On the η Function of Brown and Pearcy and the Numerical Function of an Operator
JO  - Canadian journal of mathematics
PY  - 1971
SP  - 565
EP  - 578
VL  - 23
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1971-064-2/
DO  - 10.4153/CJM-1971-064-2
ID  - 10_4153_CJM_1971_064_2
ER  -