Mathematical foundations of computer science 2004 : 29th International Symposium, MFCS 2004 : Prague, Czech Republik, August 22-27, 2004 : proceedings - Fiala, Jiří, 1937 červenec 30.-; Koubek, Václav, 1948-2016; Kratochvíl, Jan, 1959- (Lecture notes in computer science ;, 2004)