TY  - DATA
AU  - Petkovic, Miodrag.
TI  - Famous puzzles of great mathematicians 
T2  - Miscellaneous Books, 
SN  - 9781470415990 (online)
PY  - 2009///
CY  - Providence, R.I.
PB  - American Mathematical Society
KW  - Mathematical recreations
KW  - Mathematics
N1  - Includes bibliographical references and index
UR  - https://doi.org/10.1090/mbk/063
ER  -