TY  - JOUR
AU  - An. M. Leontovich
TI  - The existence of unbounded oscillating trajectories in a problem of billiards
JO  - Doklady Akademii Nauk
PY  - 1962
SP  - 523
EP  - 526
VL  - 145
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1962_145_3_a12/
LA  - ru
ID  - DAN_1962_145_3_a12
ER  -