TY  - BOOK
AU  - Schwarz, W.
TI  - 40 puzzles and problems in probability and mathematical statistics 
SN  - 9788184898057
U1  - 519.2 SCH 
PY  - 2008///
PB  - Springer Scince
KW  - Mathametics
KW  - Puzzels
ER  -