@article{01167909,
title = {The permutation classes equinumerous to the smooth class.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {5},
year = {1998},
zbl = {0899.05001},
language = {en},
url = {http://dml.mathdoc.fr/item/01167909}
}
Bóna, Miklós. The permutation classes equinumerous to the smooth class.. The Electronic Journal of Combinatorics [electronic only], Tome 5 (1998) . http://gdmltest.u-ga.fr/item/01167909/