TY  - JOUR
AU  - A. M. Abdrahmanov
TI  - On the stability of two-link periodic trajectories of a billiard on two-dimensional surfaces of constant curvature
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1991
SP  - 88
EP  - 90
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1991_4_a24/
LA  - ru
ID  - VMUMM_1991_4_a24
ER  -