@article{GDZPPN001166298,
title = {Some Generalizations of Positive Definiteness and Monotonicity.},
journal = {Numerische Mathematik},
volume = {9},
year = {1966},
pages = {163-172},
zbl = {0148.25801},
url = {http://dml.mathdoc.fr/item/GDZPPN001166298}
}
FIEDLER, M.; PTÁK, V. Some Generalizations of Positive Definiteness and Monotonicity.. Numerische Mathematik, Tome 9 (1966) pp. 163-172. http://gdmltest.u-ga.fr/item/GDZPPN001166298/