@article{BNYMS_1891__1_186466,
     author = {F.N. Cole},
     title = {Klein's {Modular} {Functions} / {Felix} {Klein} {(Review).}},
     journal = {Bulletin of the New York Mathematical Society},
     pages = {105--120},
     publisher = {mathdoc},
     volume = {1},
     year = {1891},
     url = {http://geodesic.mathdoc.fr/item/BNYMS_1891__1_186466/}
}