@article{GDZPPN002317591,
title = {Multiplier Criteria of H\"ormander Type for Fourier Series and Applications to Jacobi Series and Hankel Transforms.},
journal = {Mathematische Annalen},
volume = {243},
year = {1979},
pages = {225-240},
zbl = {0397.42007},
url = {http://dml.mathdoc.fr/item/GDZPPN002317591}
}
Gasper, Georg; Trebls, Walter. Multiplier Criteria of Hörmander Type for Fourier Series and Applications to Jacobi Series and Hankel Transforms.. Mathematische Annalen, Tome 243 (1979) pp. 225-240. http://gdmltest.u-ga.fr/item/GDZPPN002317591/