TY  - GEN
AU  - Yaglom, A M 
AU  - Yaglom, I. M
TI  - Challenging mathematical problems with elementary solutions, Vol. I
SN  - 9780486655369
U1  - 511.6 YAG/C 
PY  - 2003///
CY  - United States of America -- 
PB  - Dover Publication -- 
KW  - Mathematics
KW  - Principles
KW  - Problems
KW  - Combinatorial analysis
KW  - Probabilities
ER  -