TY - JOUR AU - Shephard, G. C. TI - On a Conjecture of Melzak JO - Canadian mathematical bulletin PY - 1964 SP - 561 EP - 563 VL - 7 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1964-052-5/ DO - 10.4153/CMB-1964-052-5 ID - 10_4153_CMB_1964_052_5 ER -