@article{01248239,
title = {Generalized Gram-Hadamard inequality.},
journal = {Journal of Inequalities and Applications [electronic only]},
volume = {2},
year = {1998},
pages = {381-386},
doi = {10.1155/S1025583498000241},
zbl = {0924.47003},
language = {en},
url = {http://dml.mathdoc.fr/item/01248239}
}
Constantinescu, Florin; Scharf, Günter. Generalized Gram-Hadamard inequality.. Journal of Inequalities and Applications [electronic only], Tome 2 (1998) pp. 381-386. doi : 10.1155/S1025583498000241. http://gdmltest.u-ga.fr/item/01248239/