@article{GDZPPN002393816,
title = {Summability of Eigenfunction Expansions.},
journal = {Mathematische Zeitschrift},
volume = {85},
year = {1964},
pages = {321-335},
zbl = {0122.30906},
url = {http://dml.mathdoc.fr/item/GDZPPN002393816}
}
Minakshisundaram, S. Summability of Eigenfunction Expansions.. Mathematische Zeitschrift, Tome 85 (1964) pp. 321-335. http://gdmltest.u-ga.fr/item/GDZPPN002393816/