@article{BNYMS_1893__2_186514,
     author = {Felix Klein},
     title = {A {Comparative} {Review} of {Recent} {Researches} in {Geometry.}},
     journal = {Bulletin of the New York Mathematical Society},
     pages = {215--249},
     publisher = {mathdoc},
     volume = {2},
     year = {1893},
     zbl = {25.0871.02},
     url = {http://geodesic.mathdoc.fr/item/BNYMS_1893__2_186514/}
}