@article{GDZPPN002334232,
title = {On the spectrum of C1b (E).},
journal = {Mathematische Annalen},
volume = {287},
year = {1990},
pages = {531-538},
zbl = {0681.46037},
url = {http://dml.mathdoc.fr/item/GDZPPN002334232}
}
Jaramillo, Jesús A.; Llavona, José G. On the spectrum of C1b (E).. Mathematische Annalen, Tome 287 (1990) pp. 531-538. http://gdmltest.u-ga.fr/item/GDZPPN002334232/