@article{01907089,
title = {Parking functions, stack-sortable permutations, and spaces of paths in the Johnson graph.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {9},
year = {2003},
zbl = {1011.05002},
language = {en},
url = {http://dml.mathdoc.fr/item/01907089}
}
Zara, Catalin. Parking functions, stack-sortable permutations, and spaces of paths in the Johnson graph.. The Electronic Journal of Combinatorics [electronic only], Tome 9 (2003) . http://gdmltest.u-ga.fr/item/01907089/