@article{02186896,
title = {A combinatorial interpretation for a super-Catalan recurrence.},
journal = {Journal of Integer Sequences [electronic only]},
volume = {8},
year = {2005},
zbl = {1064.05011},
language = {en},
url = {http://dml.mathdoc.fr/item/02186896}
}
Callan, David. A combinatorial interpretation for a super-Catalan recurrence.. Journal of Integer Sequences [electronic only], Tome 8 (2005) . http://gdmltest.u-ga.fr/item/02186896/