@article{1077490209,
author = {Quade, E. S.},
title = {Trigonometric approximation in the mean},
journal = {Duke Math. J.},
volume = {3},
number = {1},
year = {1937},
pages = { 529-543},
language = {en},
url = {http://dml.mathdoc.fr/item/1077490209}
}
Quade, E. S. Trigonometric approximation in the mean. Duke Math. J., Tome 3 (1937) no. 1, pp. 529-543. http://gdmltest.u-ga.fr/item/1077490209/