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@article{AM2_1987__34_137234, author = {G.E. Cross and Pl. Kannappan}, title = {A functioanl identity characterizing polynomials.}, journal = {Aequationes mathematicae}, pages = {147--152}, publisher = {mathdoc}, volume = {34}, year = {1987}, zbl = {0633.39005}, url = {http://geodesic.mathdoc.fr/item/AM2_1987__34_137234/} }
G.E. Cross; Pl. Kannappan. A functioanl identity characterizing polynomials.. Aequationes mathematicae, Tome 34 (1987), pp. 147-152. http://geodesic.mathdoc.fr/item/AM2_1987__34_137234/