TY  - JOUR
AU  - M. I. Shtogrin
TI  - On rational directions in the flat lattice
JO  - Čebyševskij sbornik
PY  - 2015
SP  - 273
EP  - 281
VL  - 16
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CHEB_2015_16_2_a16/
LA  - ru
ID  - CHEB_2015_16_2_a16
ER  -