%0 Journal Article %A Griffith, Gareth J. %T An Analytic Proof of a Theorem of Felix Klein %J Canadian mathematical bulletin %D 1971 %P 565-567 %V 14 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1971-101-1/ %R 10.4153/CMB-1971-101-1 %F 10_4153_CMB_1971_101_1