@article{ELMA_1976__31_141179,
     author = {Peter McCullen},
     title = {On support functions of {Compact} {Convex} {Sets.}},
     journal = {Elemente der Mathematik},
     pages = {117--119},
     publisher = {mathdoc},
     volume = {31},
     year = {1976},
     zbl = {0334.52003},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1976__31_141179/}
}