@article{GDZPPN002470942,
title = {One-sided inequalities for hermitian quadratic forms.},
journal = {Monatshefte f\"ur Mathematik},
volume = {57},
year = {1954},
pages = {1-5},
zbl = {0050.04703},
url = {http://dml.mathdoc.fr/item/GDZPPN002470942}
}
Oppenheim, A. One-sided inequalities for hermitian quadratic forms.. Monatshefte für Mathematik, Tome 57 (1954) pp. 1-5. http://gdmltest.u-ga.fr/item/GDZPPN002470942/