@article{urn:eudml:doc:38611, title = {An elementary approach to some questions in higher order smoothness in Banach spaces.}, journal = {Extracta Mathematicae}, volume = {14}, year = {1999}, pages = {295-327}, zbl = {0955.46009}, mrnumber = {MR1759472}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:38611} }
Fabián, M.; Zizler, V. An elementary approach to some questions in higher order smoothness in Banach spaces.. Extracta Mathematicae, Tome 14 (1999) pp. 295-327. http://gdmltest.u-ga.fr/item/urn:eudml:doc:38611/