@article{10_37236_1369,
     author = {Mikl\'os B\'ona},
     title = {The permutation classes equinumerous to the smooth class},
     journal = {The electronic journal of combinatorics},
     year = {1998},
     volume = {5},
     doi = {10.37236/1369},
     zbl = {0899.05001},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1369/}
}