@article{01069376,
title = {Axioms for invariant factors.},
journal = {Portugaliae Mathematica. Nova S\'erie},
volume = {54},
year = {1997},
pages = {263-269},
zbl = {0887.15003},
language = {en},
url = {http://dml.mathdoc.fr/item/01069376}
}
Queiró, João Filipe. Axioms for invariant factors.. Portugaliae Mathematica. Nova Série, Tome 54 (1997) pp. 263-269. http://gdmltest.u-ga.fr/item/01069376/