TY  - BOOK
AU  - Geretschlager Robert Ed.
TI  - Engaging  young students in mathematics through competitions: World perspectives and practices
SN  - 9789811207235 (pbk)
U1  - B, R0 
PY  - 2020///
CY  - Singapore
PB  - World Scientific      
KW  -  Balls and polyhedra
KW  -  Functional equation arising from compatibility of means
KW  -  Sangaku traditional japanese mathematics
KW  - Mathematics
N1  -  Index 175-176p
ER  -