TY - JOUR AU - J. O. Popoola AU - I. Tweddle TI - Density character, barrelledness and the closed graph theorem JO - Colloquium Mathematicum PY - 1978 SP - 249 EP - 258 VL - 40 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-40-2-249-258/ DO - 10.4064/cm-40-2-249-258 LA - en ID - 10_4064_cm_40_2_249_258 ER -