@article{urn:eudml:doc:43471,
title = {On symmetric partial derivatives an symmetric differentiability.},
journal = {Gaceta Matem\'atica},
volume = {25},
year = {1973},
pages = {100-106},
zbl = {0265.26007},
language = {en},
url = {http://dml.mathdoc.fr/item/urn:eudml:doc:43471}
}
Colvin, Sam; Debnath, Lokenath. On symmetric partial derivatives an symmetric differentiability.. Gaceta Matemática, Tome 25 (1973) pp. 100-106. http://gdmltest.u-ga.fr/item/urn:eudml:doc:43471/