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@article{AM2_1971__6_136201, author = {SHIGERU HARUKI}, title = {On {Two} {Functional} {Equations} {Connected} with a {Mean-Value} {Property} of {Polynomials}}, journal = {Aequationes mathematicae}, pages = {275--277}, publisher = {mathdoc}, volume = {6}, year = {1971}, zbl = {0227.30003}, url = {http://geodesic.mathdoc.fr/item/AM2_1971__6_136201/} }
SHIGERU HARUKI. On Two Functional Equations Connected with a Mean-Value Property of Polynomials. Aequationes mathematicae, Tome 6 (1971), pp. 275-277. http://geodesic.mathdoc.fr/item/AM2_1971__6_136201/