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@article{AM2_1985__29_137104, author = {Pavel Kostyrko}, title = {On a local form of {Jensen's} functional equation. {(Short} {Communication).}}, journal = {Aequationes mathematicae}, pages = {318--318}, publisher = {mathdoc}, volume = {29}, year = {1985}, url = {http://geodesic.mathdoc.fr/item/AM2_1985__29_137104/} }
Pavel Kostyrko. On a local form of Jensen's functional equation. (Short Communication).. Aequationes mathematicae, Tome 29 (1985), p. 318. http://geodesic.mathdoc.fr/item/AM2_1985__29_137104/