@article{MM2_1986__56_155175,
     author = {John W. Bunce},
     title = {The {General} {Stone-Weierstrass} {Problem} and {Extremal} {Completely} {Positive} {Maps.}},
     journal = {Manuscripta mathematica},
     pages = {343--352},
     publisher = {mathdoc},
     volume = {56},
     year = {1986},
     zbl = {0614.46047},
     url = {http://geodesic.mathdoc.fr/item/MM2_1986__56_155175/}
}