@article{MAN_1971__195_162211,
     author = {J.A. Johnson},
     title = {A {Note} on {Extreme} and {Exposed} {Points} in {Cn(I).}},
     journal = {Mathematische Annalen},
     pages = {95--102},
     publisher = {mathdoc},
     volume = {195},
     year = {1971},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MAN_1971__195_162211/}
}