@article{2970,
author = {Haruki, Hiroshi},
title = {A generalization of Hille's and Robinson's functional equations},
journal = {Portugaliae mathematica},
volume = {40},
year = {1981},
pages = {335-343},
zbl = {0582.39010},
mrnumber = {0819900},
language = {en},
url = {http://dml.mathdoc.fr/item/2970}
}
Haruki, Hiroshi. A generalization of Hille's and Robinson's functional equations. Portugaliae mathematica, Tome 40 (1981) pp. 335-343. http://gdmltest.u-ga.fr/item/2970/