@article{10_4153_CMB_1971_101_1,
     author = {Griffith, Gareth J.},
     title = {An {Analytic} {Proof} of a {Theorem} of {Felix} {Klein}},
     journal = {Canadian mathematical bulletin},
     pages = {565--567},
     year = {1971},
     volume = {14},
     number = {4},
     doi = {10.4153/CMB-1971-101-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1971-101-1/}
}