Voir la notice de l'article provenant de la source Biblioteca Digitale Italiana di Matematica
@article{BUMI_1950_3_5_2_a3, author = {Szeg\"o, G.}, title = {On the relative extrema of {Legendre} polynomials}, journal = {Bollettino della Unione matematica italiana}, pages = {120--121}, publisher = {mathdoc}, volume = {Ser. 3, 5}, number = {2}, year = {1950}, zbl = {0039.07504}, mrnumber = {37942}, language = {en}, url = {http://geodesic.mathdoc.fr/item/BUMI_1950_3_5_2_a3/} }
Szegö, G. On the relative extrema of Legendre polynomials. Bollettino della Unione matematica italiana, Série 3, Tome 5 (1950) no. 2, pp. 120-121. http://geodesic.mathdoc.fr/item/BUMI_1950_3_5_2_a3/