TY  - BOOK
AU  - Lehoczky,Sandor
AU  - Rusczyk,Richard
ED  - Art of Problem Solving, Inc
TI  - The art of problem solving
SN  - 0977304566 
AV  - QA63 
PY  - 2017///
CY  - San Diego, CA
PB  - AoPS
KW  - Problem solving
N1  - Includes index; Volume 1: the basics
ER  -