TY - BOOK AU - Djukic,D.,et al ED - Jankovic, V ED - Matic, I ED - Petrovic, N TI - IMO compendium: collections of problems suggested for IMO 1959-2004 T2 - Problem books in mathematics SN - 0-387-24299-6 U1 - 19 PY - 2006/// CY - New York PB - Springer ER -