@article{GDZPPN00243072X,
title = {In a Nonreflexive Space the Subdifferential is Not Onto.},
journal = {Mathematische Zeitschrift},
volume = {189},
year = {1985},
pages = {555-560},
zbl = {0551.46024},
url = {http://dml.mathdoc.fr/item/GDZPPN00243072X}
}
Fitzpatrick, Simon; Calvert, Bruce. In a Nonreflexive Space the Subdifferential is Not Onto.. Mathematische Zeitschrift, Tome 189 (1985) pp. 555-560. http://gdmltest.u-ga.fr/item/GDZPPN00243072X/