@article{05272673,
title = {The Hyers-Ulam stability for two functional equations in a single variable.},
journal = {Banach Journal of Mathematical Analysis [electronic only]},
volume = {2},
year = {2008},
pages = {48-52},
zbl = {1143.39015},
language = {en},
url = {http://dml.mathdoc.fr/item/05272673}
}
Miheţ, Dorel. The Hyers-Ulam stability for two functional equations in a single variable.. Banach Journal of Mathematical Analysis [electronic only], Tome 2 (2008) pp. 48-52. http://gdmltest.u-ga.fr/item/05272673/