Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1930__102_159373, author = {J. Shohat}, title = {On the polynomial and trigonometric approximation of measurable bounded functions on a finite interval}, journal = {Mathematische Annalen}, pages = {157--175}, publisher = {mathdoc}, volume = {102}, year = {1930}, zbl = {55.0754.05}, url = {http://geodesic.mathdoc.fr/item/MAN_1930__102_159373/} }
J. Shohat. On the polynomial and trigonometric approximation of measurable bounded functions on a finite interval. Mathematische Annalen, Tome 102 (1930), pp. 157-175. http://geodesic.mathdoc.fr/item/MAN_1930__102_159373/