TY - JOUR AU - J. R. Holub TI - A remark on Ʌ-systems in Banach spaces JO - Colloquium Mathematicum PY - 1971 SP - 83 EP - 84 VL - 24 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-24-1-83-84/ DO - 10.4064/cm-24-1-83-84 LA - en ID - 10_4064_cm_24_1_83_84 ER -