@article{MAN_1959__139_160740,
     author = {J. Wermer},
     title = {An example concerning polynomial convexity.},
     journal = {Mathematische Annalen},
     pages = {147--150},
     publisher = {mathdoc},
     volume = {139},
     year = {1959},
     zbl = {0094.28302},
     url = {http://geodesic.mathdoc.fr/item/MAN_1959__139_160740/}
}