@article{03868010,
title = {Supremum norm differentiability.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {6},
year = {1983},
pages = {705-713},
doi = {10.1155/S0161171283000605},
zbl = {0545.46028},
language = {en},
url = {http://dml.mathdoc.fr/item/03868010}
}
Leonard, I.E.; Taylor, K.F. Supremum norm differentiability.. International Journal of Mathematics and Mathematical Sciences, Tome 6 (1983) pp. 705-713. doi : 10.1155/S0161171283000605. http://gdmltest.u-ga.fr/item/03868010/