@article{01285131,
title = {Some properties of Riesz means and spectral expansions. (With an appendix by R. A. Gustafson).},
journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
volume = {1999},
year = {1999},
zbl = {0918.35099},
language = {en},
url = {http://dml.mathdoc.fr/item/01285131}
}
Fulling, S.A. Some properties of Riesz means and spectral expansions. (With an appendix by R. A. Gustafson).. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 1999 (1999) . http://gdmltest.u-ga.fr/item/01285131/