@article{bwmeta1.element.desklight-d02a0c9f-1eef-445a-b995-78d234554795,
author = {S. Czerwik},
title = {On the differentiability of solutions of a functional equation with respect to a parameter},
journal = {Annales Polonici Mathematici},
volume = {24},
year = {1971},
pages = {209-217},
zbl = {0221.39003},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-d02a0c9f-1eef-445a-b995-78d234554795}
}
S. Czerwik. On the differentiability of solutions of a functional equation with respect to a parameter. Annales Polonici Mathematici, Tome 24 (1971) pp. 209-217. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-d02a0c9f-1eef-445a-b995-78d234554795/