@article{GDZPPN002217724, title = {Normal Structure of Banach Spaces.}, journal = {Manuscripta mathematica}, volume = {11}, year = {1973}, pages = {203-210}, zbl = {0271.46008}, url = {http://dml.mathdoc.fr/item/GDZPPN002217724} }
Bynum, W.L. Normal Structure of Banach Spaces.. Manuscripta mathematica, Tome 11 (1973) pp. 203-210. http://gdmltest.u-ga.fr/item/GDZPPN002217724/