TY - JOUR AU - W. Orlicz AU - R. UrbaƄski TI - Total variation of a set-valued measure JO - Commentationes Mathematicae PY - 1983 SP - 85 EP - 89 VL - 23 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/cm.v23i1.6040/ DO - 10.14708/cm.v23i1.6040 LA - pl ID - 10_14708_cm_v23i1_6040 ER -