@article{05687009,
title = {Generating functions for permutations which contain a given descent set.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {17},
year = {2010},
zbl = {1193.05016},
language = {en},
url = {http://dml.mathdoc.fr/item/05687009}
}
Remmel, Jeffrey; Riehl, Manda. Generating functions for permutations which contain a given descent set.. The Electronic Journal of Combinatorics [electronic only], Tome 17 (2010) . http://gdmltest.u-ga.fr/item/05687009/