Free Download Number theory in the spirit of Ramanujan… By Bruce C. Berndt Publisher American Mathematical Society 2006 ISBN 0821841785,978-0-8218-4178-5,16-1974-441-4,36-1984-316-3,32-2005-259-2,14-1947-429-4,97-1960-225-2,12-1966-521-5..

Free Download Hecke’s Theory of Modular Forms and Dirichlet Seri… By Bruce C. Berndt, Marvin Isadore Knopp Publisher World Scientific Pub Co..