TY  - JOUR
AU  - Misha Bialy
TI  - Convex billiards and a theorem by E. Hops.
JO  - Mathematische Zeitschrift
PY  - 1993
SP  - 147
EP  - 154
VL  - 214
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1993__214_1_174561/
ID  - MZ_1993__214_1_174561
ER  -