@article{05224758,
title = {An identity in real inner product spaces.},
journal = {JIPAM. Journal of Inequalities in Pure \& Applied Mathematics [electronic only]},
volume = {8},
year = {2007},
zbl = {1232.26039},
language = {en},
url = {http://dml.mathdoc.fr/item/05224758}
}
Ma, Jianguo. An identity in real inner product spaces.. JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only], Tome 8 (2007) . http://gdmltest.u-ga.fr/item/05224758/