@article{PMF_1904_15_1_a7,
     author = {Miller, G. A.},
     title = {On the number of sets of conjugate subgroups},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {87--90},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {1904},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PMF_1904_15_1_a7/}
}