TY  - BOOK
AU  - Stankova, Zvezdelina.
AU  - Rike, Tom.
TI  - A decade of the berkeley math circle: : The American experience
T2  - Mathematical circles library
SN  - 9780821887288
U1  - 510.7127946 
PY  - 2008///
CY  - Hyderabad: 
PB  - American Mathematical Society, 
KW  - Inversion
KW  - Math
KW  - Transformation
KW  - Visualizing
ER  -