Berndt, Bruce C. Number theory in the spirit of Ramanujan / by Bruce C. Berndt - USA: American Mathematical Society, 2006. - xix, 187p. - Students mathematical library ; 34 . ISBN: 9780821887318 Subjects--Topical Terms: ArithmeticalLambert seriesMathNotation Dewey Class. No.: 512.7 / BER/N