@article{00907656,
title = {Ramanujan grammar and Cayley trees. (Grammaire de Ramanujan et arbres de Cayley.)},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {3},
year = {1996},
zbl = {0852.05018},
language = {en},
url = {http://dml.mathdoc.fr/item/00907656}
}
Dumont, Dominique; Ramamonjisoa, Armand. Ramanujan grammar and Cayley trees. (Grammaire de Ramanujan et arbres de Cayley.). The Electronic Journal of Combinatorics [electronic only], Tome 3 (1996) . http://gdmltest.u-ga.fr/item/00907656/