@article{1183499466,
author = {Walsh, J. L.},
title = {A mean value theorem for polynomials and harmonic polynomials},
journal = {Bull. Amer. Math. Soc.},
volume = {42},
number = {12},
year = {1936},
pages = { 923-930},
language = {en},
url = {http://dml.mathdoc.fr/item/1183499466}
}
Walsh, J. L. A mean value theorem for polynomials and harmonic polynomials. Bull. Amer. Math. Soc., Tome 42 (1936) no. 12, pp. 923-930. http://gdmltest.u-ga.fr/item/1183499466/