%0 Journal Article
%A M. Sugi
%T On the number of lattice points in a disk in the Lobachevskii plane
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 1993
%P 8-14
%N 1
%U http://geodesic.mathdoc.fr/item/VMUMM_1993_1_a1/
%G ru
%F VMUMM_1993_1_a1