@article{GDZPPN002484994,
title = {The Projection Theorem for Spectral Sets.},
journal = {Monatshefte f\"ur Mathematik},
volume = {102},
year = {1986},
pages = {1-10},
language = {en},
url = {http://dml.mathdoc.fr/item/GDZPPN002484994}
}
Bekka, Mohammed El Bachir. The Projection Theorem for Spectral Sets.. Monatshefte für Mathematik, Tome 102 (1986) pp. 1-10. http://gdmltest.u-ga.fr/item/GDZPPN002484994/