@article{701276,
title = {G\^ateaux differentiable functions are somewhere Fr\'echet differentiable},
booktitle = {Proceedings of the 10th Winter School on Abstract Analysis},
series = {GDML\_Books},
publisher = {Circolo Matematico di Palermo},
address = {Palermo},
year = {1982},
pages = {[217]-222},
mrnumber = {MR0743214},
zbl = {0573.46024},
url = {http://dml.mathdoc.fr/item/701276}
}
Preiss, David. Gâteaux differentiable functions are somewhere Fréchet differentiable, dans Proceedings of the 10th Winter School on Abstract Analysis, GDML_Books, (1982), pp. [217]-222. http://gdmltest.u-ga.fr/item/701276/