TY  - BOOK
AU  - LEHOCZKY, Sandor 
AU  - Richard Rusczyk.
TI  - The art of problem solving
SN  - 1885875010
U1  - 510.1 LEH 22nd ed.
PY  - 2004///
CY  - Alpine, CA : 
PB  - AoPS Incorporated
KW  - Problem solving. Mathematics
N1  - Includes index
N2  - The texts offer a challenging exploration of problem solving mathematics and preparation for programs such as Mathcounts and the American Mathematics Competition
ER  -