@article{10_4153_CMB_1972_094_9,
     author = {Klee, Victor},
     title = {On a {Question} of {Colin} {Clark} {Concerning} {Three} {Properties} of {Convex} {Sets(1)}},
     journal = {Canadian mathematical bulletin},
     pages = {535--537},
     year = {1972},
     volume = {15},
     number = {4},
     doi = {10.4153/CMB-1972-094-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1972-094-9/}
}