@article{bwmeta1.element.bwnjournal-article-fmv122i1p7bwm,
author = {D. Dubois and T. Recio},
title = {A note on Robinson's non-negativity criterion},
journal = {Fundamenta Mathematicae},
volume = {123},
year = {1984},
pages = {71-76},
zbl = {0562.14007},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv122i1p7bwm}
}
Dubois, D.; Recio, T. A note on Robinson's non-negativity criterion. Fundamenta Mathematicae, Tome 123 (1984) pp. 71-76. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv122i1p7bwm/