1. The Theory of Partitions;Andrews,1976
2. Introduction to Analytic Number Theory;Apostol,1976
3. An Introduction to the Analytic Theory of Numbers;Ayoub,1963
4. Higher Transcendental Functions. Volume I;Erdélyi,1953
5. The distribution of the number of summands in the partitions of a positive integer;Erdös;Duke Math. J.,1941