@article{GDZPPN001264265,
title = {Function minimum associated to a congruence on integral n-tuple space.},
journal = {Semigroup forum},
volume = {51},
year = {1995},
pages = {87-96},
zbl = {0831.20081},
url = {http://dml.mathdoc.fr/item/GDZPPN001264265}
}
Rosales, J.C. Function minimum associated to a congruence on integral n-tuple space.. Semigroup forum, Tome 51 (1995) pp. 87-96. http://gdmltest.u-ga.fr/item/GDZPPN001264265/