@article{GDZPPN002227509,
title = {The General Stone-Weierstrass Problem and Extremal Completely Positive Maps.},
journal = {Manuscripta mathematica},
volume = {55},
year = {1986},
pages = {343-352},
zbl = {0614.46047},
url = {http://dml.mathdoc.fr/item/GDZPPN002227509}
}
Bunce, John W. The General Stone-Weierstrass Problem and Extremal Completely Positive Maps.. Manuscripta mathematica, Tome 55 (1986) pp. 343-352. http://gdmltest.u-ga.fr/item/GDZPPN002227509/