TY - JOUR AU - Roman Sikorski TI - On a generalization of theorems of Banach and Cantor-Bernstein JO - Colloquium Mathematicum PY - 1947 SP - 140 EP - 144 VL - 1 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-1-2-140-144/ DO - 10.4064/cm-1-2-140-144 LA - en ID - 10_4064_cm_1_2_140_144 ER -