@article{GDZPPN002062194,
title = {Ordinal Bounds for Well Ordered Extensions of the Coordinatewise Partial Ordering},
journal = {Commentarii mathematici Helvetici},
volume = {51},
year = {1976},
pages = {389-394},
zbl = {0381.06001},
url = {http://dml.mathdoc.fr/item/GDZPPN002062194}
}
Levitz, Hilbert. Ordinal Bounds for Well Ordered Extensions of the Coordinatewise Partial Ordering. Commentarii mathematici Helvetici, Tome 51 (1976) pp. 389-394. http://gdmltest.u-ga.fr/item/GDZPPN002062194/