TY  - BOOK
AU  - Andreescu Titu
AU  - Gelca Razvan
TI  - Mathematical Olympiad challenges
SN  - 0817641556
AV  - QA43 
PY  - 2000///
CY  - Boston, Mass.
PB  - Birkhauser
KW  - Mathematics
KW  - Problems exercises etc
N1  - Includes bibliographical references
ER  -