@article{05063786,
title = {A generalized Lagrange identity and Cauchy-Buniakovsky inequality.},
journal = {Acta Universitatis Apulensis. Mathematics - Informatics},
volume = {8},
year = {2004},
pages = {39-44},
zbl = {1101.26017},
language = {en},
url = {http://dml.mathdoc.fr/item/05063786}
}
Belbahir, Hacene. A generalized Lagrange identity and Cauchy-Buniakovsky inequality.. Acta Universitatis Apulensis. Mathematics - Informatics, Tome 8 (2004) pp. 39-44. http://gdmltest.u-ga.fr/item/05063786/