@article{GDZPPN002025477,
title = {On Two Functional Equations Connected with a Mean-Value Property of Polynomials},
journal = {Aequationes mathematicae},
volume = {7},
year = {1971},
pages = {275-277},
zbl = {0227.30003},
url = {http://dml.mathdoc.fr/item/GDZPPN002025477}
}
HARUKI, SHIGERU. On Two Functional Equations Connected with a Mean-Value Property of Polynomials. Aequationes mathematicae, Tome 7 (1971) pp. 275-277. http://gdmltest.u-ga.fr/item/GDZPPN002025477/