@article{PPN517516713_0002+dmdlog47,
title = {The Transitive Substitution-Groups of Nine Letters.},
journal = {Bulletin of the New York Mathematical Society},
volume = {2},
year = {1893},
pages = {250-258},
zbl = {25.0206.02},
url = {http://dml.mathdoc.fr/item/PPN517516713_0002+dmdlog47}
}
Cole, F.N. The Transitive Substitution-Groups of Nine Letters.. Bulletin of the New York Mathematical Society, Tome 2 (1893) pp. 250-258. http://gdmltest.u-ga.fr/item/PPN517516713_0002+dmdlog47/