@article{10_4064_cm_8_1_39_42,
     author = {B. Gr\"unbaum},
     title = {On some properties of convex sets},
     journal = {Colloquium Mathematicum},
     pages = {39--42},
     publisher = {mathdoc},
     volume = {8},
     number = {1},
     year = {1961},
     doi = {10.4064/cm-8-1-39-42},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-8-1-39-42/}
}