@article{3240,
author = {Marques de S\'a, Eduardo},
title = {Hidden relations for the Smith invariants of a matrix sum},
journal = {Portugaliae mathematica},
volume = {47},
year = {1990},
pages = {417-422},
zbl = {0715.15004},
mrnumber = {1090479},
language = {en},
url = {http://dml.mathdoc.fr/item/3240}
}
Marques de Sá, Eduardo. Hidden relations for the Smith invariants of a matrix sum. Portugaliae mathematica, Tome 47 (1990) pp. 417-422. http://gdmltest.u-ga.fr/item/3240/