%0 Journal Article %A Shephard, G. C. %T On a Conjecture of Melzak %J Canadian mathematical bulletin %D 1964 %P 561-563 %V 7 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1964-052-5/ %R 10.4153/CMB-1964-052-5 %F 10_4153_CMB_1964_052_5