Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MOMA_1954__57_176905, author = {A. Oppenheim}, title = {One-sided inequalities for hermitian quadratic forms.}, journal = {Monatshefte f\"ur Mathematik}, pages = {1--5}, publisher = {mathdoc}, volume = {57}, year = {1954}, zbl = {0050.04703}, url = {http://geodesic.mathdoc.fr/item/MOMA_1954__57_176905/} }
A. Oppenheim. One-sided inequalities for hermitian quadratic forms.. Monatshefte für Mathematik, Tome 57 (1954), pp. 1-5. http://geodesic.mathdoc.fr/item/MOMA_1954__57_176905/