@article{GDZPPN002347474,
title = {Quasi-Spectral Theory.},
journal = {Mathematica Scandinavica},
volume = {13},
year = {1963},
pages = {188-198},
zbl = {0146.12605},
url = {http://dml.mathdoc.fr/item/GDZPPN002347474}
}
Deal, E.R. Quasi-Spectral Theory.. Mathematica Scandinavica, Tome 13 (1963) pp. 188-198. http://gdmltest.u-ga.fr/item/GDZPPN002347474/