Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1967__100_170817, author = {R. Askey and R.P. jr. Boas}, title = {Fourier {Coefficients} of {Positive} {Functions.}}, journal = {Mathematische Zeitschrift}, pages = {373--379}, publisher = {mathdoc}, volume = {100}, year = {1967}, zbl = {0175.06303}, url = {http://geodesic.mathdoc.fr/item/MZ_1967__100_170817/} }
R. Askey; R.P. jr. Boas. Fourier Coefficients of Positive Functions.. Mathematische Zeitschrift, Tome 100 (1967), pp. 373-379. http://geodesic.mathdoc.fr/item/MZ_1967__100_170817/