%0 Journal Article %A M. Bonk %A A. Eremenko %T Covering properties of meromorphic functions, negative curvature and spherical geometry %J Annals of mathematics %D 2000 %V 152 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM_2000_152_2_a4/ %F AM_2000_152_2_a4