TY  - JOUR
AU  - Antonio Terceño
AU  - M. Glòria Barberà-Mariné
AU  - Hernán Vigier
AU  - Yanina Laumann
TI  - Stability of Beta Coefficients of Sector and Subsector Portfolios in an Uncertain Environment
JO  - Computer Science and Information Systems
PY  - 2014
VL  - 11
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CSIS_2014_11_2_a23/
ID  - CSIS_2014_11_2_a23
ER  -