TY  - BOOK
AU  - Tabachnikov,Serge
TI  - Geometry and Billiards
SN  - 0821839195 (softcover : acidfree paper)
U1  - 516 
PY  - 2005///
CY  - Rhode Island
PB  - American Mathematical Society
KW  - Geometry
KW  - Research
KW  - Calculus of variations
KW  - Billiards
ER  -