L12_A
CH11.3   Definition of the Gamma Function, Recursion Relation
CH11.4   The Gamma Function of Negative numbers
CH11.5   Some important Formulas Involving Gamma Functions
CH11.10 Asymptotic Series
CH11.11 Stirling's Formula

L12_B
CH11.6   Beta Functions
CH11.7   Beta Functions in Terms of Gamma Functions
CH11.12Elliptic Integrals and Functions