@article{bwmeta1.element.bwnjournal-article-fmv131i1p19bwm,
author = {A. van Rooij},
title = {On derivatives of functions defined on disconnected sets, II},
journal = {Fundamenta Mathematicae},
volume = {131},
year = {1988},
pages = {93-102},
zbl = {0709.26004},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv131i1p19bwm}
}
van Rooij, A. On derivatives of functions defined on disconnected sets, II. Fundamenta Mathematicae, Tome 131 (1988) pp. 93-102. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv131i1p19bwm/