@article{BNYMS_1893__3_186534,
     author = {F. Morley},
     title = {Three {Notes} on {Permutations.}},
     journal = {Bulletin of the New York Mathematical Society},
     pages = {142--148},
     year = {1893},
     volume = {3},
     zbl = {25.0335.01},
     url = {http://geodesic.mathdoc.fr/item/BNYMS_1893__3_186534/}
}