TY  - DATA
AU  - Behrends, Ehrhard
TI  - Five-minute mathematics 
T2  - Miscellaneous Books, 
SN  - 9781470424848 (online)
PY  - 2008///
CY  - Providence, R.I.
PB  - American Mathematical Society
KW  - Mathematical recreations
KW  - Mathematics
N1  - Includes bibliographical references (p. 373-375) and index
UR  - https://doi.org/10.1090/mbk/053
ER  -