@article{GDZPPN002034441, title = {Almost periodicity and functional equations.}, journal = {Aequationes mathematicae}, volume = {26}, year = {1983}, pages = {163-175}, zbl = {0566.39010}, url = {http://dml.mathdoc.fr/item/GDZPPN002034441} }
Székelyhidi, L. Almost periodicity and functional equations.. Aequationes mathematicae, Tome 26 (1983) pp. 163-175. http://gdmltest.u-ga.fr/item/GDZPPN002034441/