@article{1077376213,
author = {Riordan, John},
title = {A functional-difference equation},
journal = {Duke Math. J.},
volume = {33},
number = {1},
year = {1966},
pages = { 23-25},
language = {en},
url = {http://dml.mathdoc.fr/item/1077376213}
}
Riordan, John. A functional-difference equation. Duke Math. J., Tome 33 (1966) no. 1, pp. 23-25. http://gdmltest.u-ga.fr/item/1077376213/