TY  - JOUR
AU  - Beitia, Maria Asunción
TI  - Matrices which commute with a given matrix upon a subspace
JO  - Portugaliae mathematica
PY  - 1985
SP  - 167
EP  - 178
VL  - 43
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PORMA_1985__43_1_114496/
LA  - en
ID  - PORMA_1985__43_1_114496
ER  -