TY - JOUR AU - I. Labuda TI - Denumerability conditions and Orlicz-Pettis type theorems JO - Commentationes Mathematicae PY - 1974 SP - 45 EP - 49 VL - 18 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/cm.v18i1.5804/ DO - 10.14708/cm.v18i1.5804 LA - pl ID - 10_14708_cm_v18i1_5804 ER -