TY - JOUR AU - Lipman, J. TI - A Lemma on Continuous Functions JO - Canadian mathematical bulletin PY - 1960 SP - 186 EP - 187 VL - 3 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1960-024-9/ DO - 10.4153/CMB-1960-024-9 ID - 10_4153_CMB_1960_024_9 ER -