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@article{AM2_1982__25_136957, author = {A. J\'arai}, title = {Regularity properties of functional equations. {(Short} {Communication).}}, journal = {Aequationes mathematicae}, pages = {118--119}, publisher = {mathdoc}, volume = {25}, year = {1982}, zbl = {0517.39009}, url = {http://geodesic.mathdoc.fr/item/AM2_1982__25_136957/} }
A. Járai. Regularity properties of functional equations. (Short Communication).. Aequationes mathematicae, Tome 25 (1982), pp. 118-119. http://geodesic.mathdoc.fr/item/AM2_1982__25_136957/