TY  - BOOK
AU  - Andreescu, Titu
TI  - Path to Combinatorics for Undergraduates:Counting Strategies
U1  - 511.6 
PY  - 1956///
CY  - Valley Forge
PB  - Birkhauser
KW  - General Stack
KW  - Natural science & mathematics
KW  - Mathematicsgeneral principles of mathematicsMathematics
ER  -