@article{05687001,
title = {Counting subwords in a partition of a set.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {17},
year = {2010},
zbl = {1193.05025},
language = {en},
url = {http://dml.mathdoc.fr/item/05687001}
}
Mansour, Toufik; Shattuck, Mark; Yan, Sherry H.F. Counting subwords in a partition of a set.. The Electronic Journal of Combinatorics [electronic only], Tome 17 (2010) . http://gdmltest.u-ga.fr/item/05687001/