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@article{AM2_1989__37_2-3_137302, author = {Karl-Goswin Grosse-Erdmann}, title = {Regularity properties of functional equations and inequalities.}, journal = {Aequationes mathematicae}, pages = {233--251}, publisher = {mathdoc}, volume = {37}, number = {2-3}, year = {1989}, zbl = {0676.39007}, url = {http://geodesic.mathdoc.fr/item/AM2_1989__37_2-3_137302/} }
Karl-Goswin Grosse-Erdmann. Regularity properties of functional equations and inequalities.. Aequationes mathematicae, Tome 37 (1989) no. 2-3, pp. 233-251. http://geodesic.mathdoc.fr/item/AM2_1989__37_2-3_137302/