@article{03953549,
title = {Essential supremum norm differentiability.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {8},
year = {1985},
pages = {433-439},
doi = {10.1155/S0161171285000473},
zbl = {0593.46016},
language = {en},
url = {http://dml.mathdoc.fr/item/03953549}
}
Leonard, I.E.; Taylor, K.F. Essential supremum norm differentiability.. International Journal of Mathematics and Mathematical Sciences, Tome 8 (1985) pp. 433-439. doi : 10.1155/S0161171285000473. http://gdmltest.u-ga.fr/item/03953549/