@article{10_4064_cm_40_2_249_258, author = {J. O. Popoola and I. Tweddle}, title = {Density character, barrelledness and the closed graph theorem}, journal = {Colloquium Mathematicum}, pages = {249--258}, publisher = {mathdoc}, volume = {40}, number = {2}, year = {1978}, doi = {10.4064/cm-40-2-249-258}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-40-2-249-258/} }