Dusan Djukic, Vladimir Jankovic, Ivan Matic, Nikola Petrovic, "The IMO Compendium: A Collection of Problems Suggested for The International Mathematical Olympiads: 1959-2004" 2006 | pages: 748 | ISBN: 0387242996, 1441920277 | PDF | 6,3 mb
Dušan Djukić, "The IMO Compendium: A Collection of Problems Suggested for The International Mathematical Olympiads: 1959-2004 " English | ISBN: 0387242996 | 2006 | 760 pages | PDF | 7 MB