@article{GDZPPN002295318,
title = {Complementary Inequalities. III. Inequalities Complementary to Schwarz's Inequality in Hilbert Space.},
journal = {Mathematische Annalen},
volume = {161},
year = {1965},
pages = {120-139},
zbl = {0135.34702},
url = {http://dml.mathdoc.fr/item/GDZPPN002295318}
}
DIAZ, J.B.; METCALF, F.T. Complementary Inequalities. III. Inequalities Complementary to Schwarz's Inequality in Hilbert Space.. Mathematische Annalen, Tome 161 (1965) pp. 120-139. http://gdmltest.u-ga.fr/item/GDZPPN002295318/