Computer algebra in scientific computing : 9th international workshop, CASC 2006, Chisinau, Moldova, September 11-15, 2006, proceedings - Ganža, Viktor Grigor'jevič, 1956-; Mayr, Ernst W., 1950-; Vorožcov, Jevgenij Vasil'jevič, 1946- (Lecture notes in computer science ;, 2006)