TY - JOUR AU - Roman Sikorski TI - The integral in a Boolean algebra JO - Colloquium Mathematicum PY - 1949 SP - 20 EP - 26 VL - 2 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-2-1-20-26/ DO - 10.4064/cm-2-1-20-26 LA - en ID - 10_4064_cm_2_1_20_26 ER -