TY  - BOOK
TI  - Mathematical Olympiad challenges 
SN  - 0817641904 (hardcover : alk. paper) | 3764341904 (hardcover : alk. paper) | 0817641556 (softcover : alk. paper) | 3764341556 (softcover : alk. paper)
PY  - 2000///
CY  - Boston
PB  - Birkhäuser
UR  - http://www.loc.gov/catdir/enhancements/fy0812/99086229-d.html
ER  -