TY - BOOK AU - AU - Djukic, Dusan ED - International Mathematical Olympiads TI - The IMO compendium: a collection of problems suggested for the International Mathematical Olympiads:1959-2009 SN - 9781441998538 U1 - 793.74 PY - 2011/// CY - New York PB - Springer KW - International mathematical olympiad ER -