TY  - JOUR
AU  - Marques de Sá, Eduardo
TI  - Hidden relations for the Smith invariants of a matrix sum
JO  - Portugaliae mathematica
PY  - 1990
SP  - 417
EP  - 422
VL  - 47
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PORMA_1990__47_4_115730/
LA  - en
ID  - PORMA_1990__47_4_115730
ER  -