TY  - BOOK
AU  - Andreescu, Titu
AU  - Gelca, Rǎzvan
TI  - Mathematical Olympiad challenges
SN  - 9788181283238
SN  - 99086229
U1  - 510.76 AND 
PY  - 2000///
CY  - Boston
PB  - Birkhauser
KW  - Mathematics - Problems, exercises, etc
ER  -