@article{GDZPPN002446022,
title = {\"Uber positive Fourier-Integrale},
journal = {Mathematische Zeitschrift},
volume = {16},
year = {1923},
pages = {103-125},
zbl = {49.0207.03},
url = {http://dml.mathdoc.fr/item/GDZPPN002446022}
}
Mathias, M. Über positive Fourier-Integrale. Mathematische Zeitschrift, Tome 16 (1923) pp. 103-125. http://gdmltest.u-ga.fr/item/GDZPPN002446022/