@article{GDZPPN002272849,
title = {A Set of Continuous Orthogonal Functions},
journal = {Mathematische Annalen},
volume = {98},
year = {1928},
pages = {522-529},
zbl = {54.0324.03},
url = {http://dml.mathdoc.fr/item/GDZPPN002272849}
}
Franklin, Ph. A Set of Continuous Orthogonal Functions. Mathematische Annalen, Tome 98 (1928) pp. 522-529. http://gdmltest.u-ga.fr/item/GDZPPN002272849/