@article{GDZPPN002025426,
title = {Regularity Properties of Functional Equations},
journal = {Aequationes mathematicae},
volume = {7},
year = {1971},
pages = {243-248},
zbl = {0223.39005},
url = {http://dml.mathdoc.fr/item/GDZPPN002025426}
}
BAKER, JOHN A. Regularity Properties of Functional Equations. Aequationes mathematicae, Tome 7 (1971) pp. 243-248. http://gdmltest.u-ga.fr/item/GDZPPN002025426/