@article{BUMI_1950_3_5_2_125_0,
author = {Otto Sz\'asz},
title = {On the relative extrema of ultraspherical polynomials},
journal = {Bollettino dell'Unione Matematica Italiana},
volume = {5},
year = {1950},
pages = {125-127},
zbl = {0039.07602},
mrnumber = {37944},
language = {en},
url = {http://dml.mathdoc.fr/item/BUMI_1950_3_5_2_125_0}
}
Szász, Otto. On the relative extrema of ultraspherical polynomials. Bollettino dell'Unione Matematica Italiana, Tome 5 (1950) pp. 125-127. http://gdmltest.u-ga.fr/item/BUMI_1950_3_5_2_125_0/