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@article{AM2_1992__43_1_137464, author = {H.L. Vasudeva and J.C. Parnami}, title = {On {Jensen's} functional equation.}, journal = {Aequationes mathematicae}, pages = {211--218}, publisher = {mathdoc}, volume = {43}, number = {1}, year = {1992}, zbl = {0755.39008}, url = {http://geodesic.mathdoc.fr/item/AM2_1992__43_1_137464/} }
H.L. Vasudeva; J.C. Parnami. On Jensen's functional equation.. Aequationes mathematicae, Tome 43 (1992) no. 1, pp. 211-218. http://geodesic.mathdoc.fr/item/AM2_1992__43_1_137464/