%0 Journal Article %A S. N. Naboko %T Estimates of the number of geodesics on a~fundamental domain of the modular group %J Zapiski Nauchnykh Seminarov POMI %D 1973 %P 43-46 %V 37 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1973_37_a2/ %G ru %F ZNSL_1973_37_a2