@article{BNYMS_1893__2_186509,
     author = {F.N. Cole},
     title = {Note on the {Substitution} {Groups} of {Six,} {Seven} and {Eight} {Letters.}},
     journal = {Bulletin of the New York Mathematical Society},
     pages = {184--190},
     publisher = {mathdoc},
     volume = {2},
     year = {1893},
     zbl = {25.0205.04},
     url = {http://geodesic.mathdoc.fr/item/BNYMS_1893__2_186509/}
}