TY - JOUR AU - R. Heath TI - Separability and $ℵ_1$-compactness JO - Colloquium Mathematicum PY - 1964 SP - 11 EP - 14 VL - 12 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-12-1-11-14/ DO - 10.4064/cm-12-1-11-14 LA - en ID - 10_4064_cm_12_1_11_14 ER -