@article{1183504481,
author = {Peebles, G. H.},
title = {On equivalence of certain types of series of orthonormal functions},
journal = {Bull. Amer. Math. Soc.},
volume = {48},
number = {12},
year = {1942},
pages = { 556-561},
language = {en},
url = {http://dml.mathdoc.fr/item/1183504481}
}
Peebles, G. H. On equivalence of certain types of series of orthonormal functions. Bull. Amer. Math. Soc., Tome 48 (1942) no. 12, pp. 556-561. http://gdmltest.u-ga.fr/item/1183504481/