De Souza, Paulo Ney Berkeley problems in mathematics Paulo Ney de Souza, Jorge-Nuno Silva - 3rd ed - New York Springer c2004 - xiv, 591 p ill 25 cm - Problem books in mathematics . ISBN: 0387204296 (alk. paper) 0387008926 (pbk. : alk. paper) LCCN: 2003063347 Subjects--Corporate Names: University of California, Berkeley Dept. of Mathematics --Examinations Subjects--Topical Terms: Mathematics