@article{GDZPPN002033895,
title = {Regularity properties of functional equations.},
journal = {Aequationes mathematicae},
volume = {25},
year = {1982},
pages = {52-66},
zbl = {0517.39009},
url = {http://dml.mathdoc.fr/item/GDZPPN002033895}
}
Járai, A. Regularity properties of functional equations.. Aequationes mathematicae, Tome 25 (1982) pp. 52-66. http://gdmltest.u-ga.fr/item/GDZPPN002033895/