@article{1256048602,
author = {Dym, Harry},
title = {A problem in trigonometric approximation theory},
journal = {Illinois J. Math.},
volume = {22},
number = {4},
year = {1978},
pages = { 402-403},
language = {en},
url = {http://dml.mathdoc.fr/item/1256048602}
}
Dym, Harry. A problem in trigonometric approximation theory. Illinois J. Math., Tome 22 (1978) no. 4, pp. 402-403. http://gdmltest.u-ga.fr/item/1256048602/