@article{GDZPPN00223808X,
title = {Characterizations of ultrabarrelledness and barrelledness involving the singularities of families of convex mappings.},
journal = {Manuscripta mathematica},
volume = {91},
year = {1996},
pages = {17-34},
zbl = {0871.46001},
url = {http://dml.mathdoc.fr/item/GDZPPN00223808X}
}
Breckner, Wolfgang W. Characterizations of ultrabarrelledness and barrelledness involving the singularities of families of convex mappings.. Manuscripta mathematica, Tome 91 (1996) pp. 17-34. http://gdmltest.u-ga.fr/item/GDZPPN00223808X/