@article{1077309878,
author = {Salinas, Norberto},
title = {Reducing essential eigenvalues},
journal = {Duke Math. J.},
volume = {40},
number = {1},
year = {1973},
pages = { 561-580},
language = {en},
url = {http://dml.mathdoc.fr/item/1077309878}
}
Salinas, Norberto. Reducing essential eigenvalues. Duke Math. J., Tome 40 (1973) no. 1, pp. 561-580. http://gdmltest.u-ga.fr/item/1077309878/