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@article{BNYMS_1893__3_186551, author = {G.A. Miller}, title = {Note on the {Substitution} {Groups} of {Eight} and {Nine} {Letters.}}, journal = {Bulletin of the New York Mathematical Society}, pages = {242--245}, publisher = {mathdoc}, volume = {3}, year = {1893}, url = {http://geodesic.mathdoc.fr/item/BNYMS_1893__3_186551/} }
G.A. Miller. Note on the Substitution Groups of Eight and Nine Letters.. Bulletin of the New York Mathematical Society, Tome 3 (1893), pp. 242-245. http://geodesic.mathdoc.fr/item/BNYMS_1893__3_186551/