TY  - DATA
AU  - Barbeau, Edward
AU  - Klamkin, Murray S.
AU  - Moser, W. O. J.
TI  - Five hundred mathematical challenges 
T2  - Spectrum, 
SN  - 9781614445074 (online)
PY  - 1995///
CY  - [Washington, DC]
PB  - Mathematical Association of America
KW  - Mathematics
N1  - Includes index
UR  - https://doi.org/10.5948/UPO9781614445074
ER  -