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@article{AM2_1971__6_136196, author = {JOHN A. BAKER}, title = {Regularity {Properties} of {Functional} {Equations}}, journal = {Aequationes mathematicae}, pages = {243--248}, publisher = {mathdoc}, volume = {6}, year = {1971}, zbl = {0223.39005}, url = {http://geodesic.mathdoc.fr/item/AM2_1971__6_136196/} }
JOHN A. BAKER. Regularity Properties of Functional Equations. Aequationes mathematicae, Tome 6 (1971), pp. 243-248. http://geodesic.mathdoc.fr/item/AM2_1971__6_136196/