TY  - JOUR
AU  - M. Sugi
TI  - On the number of lattice points in a disk in the Lobachevskii plane
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1993
SP  - 8
EP  - 14
IS  - 1
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1993_1_a1/
LA  - ru
ID  - VMUMM_1993_1_a1
ER  -