TY - JOUR AU - J. Cassels TI - On a problem of Steinhaus about normal numbers JO - Colloquium Mathematicum PY - 1959 SP - 95 EP - 101 VL - 7 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-7-1-95-101/ DO - 10.4064/cm-7-1-95-101 LA - en ID - 10_4064_cm_7_1_95_101 ER -