@article{05548839,
title = {The generalized Hyers-Ulam-Rassias stability of a quadratic functional equation.},
journal = {JIPAM. Journal of Inequalities in Pure \& Applied Mathematics [electronic only]},
volume = {9},
year = {2008},
zbl = {1167.39022},
language = {en},
url = {http://dml.mathdoc.fr/item/05548839}
}
Ravi, K.; Murali, R.; Arunkumar, M. The generalized Hyers-Ulam-Rassias stability of a quadratic functional equation.. JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only], Tome 9 (2008) . http://gdmltest.u-ga.fr/item/05548839/