@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/