[1] R. Ayoub, An Introduction to the Analytic Theory of Numbers,
American Mathematical Society, 1963.
[2] N. Daili, Abelian-Tauberian theorems connected with densities, JP
Jour. Algebra, Number Theory & Appl. (JPANTA) 11(1) (2008), 99-112.
[3] N. Daili, Asymptotic densities in number theory, Part II:
Asymptotic densities of arithmetic functions, JP Jour. Algebra, Number
Theory & Appl. (JPANTA) 6(2) (2006), 335-360.
[4] N. Daili, Asymptotic densities in number theory, Part I: A survey,
JP Jour. Algebra, Number Theory & Appl. (JPANTA) 5(3) (2005),
513-533.
[5] W. Feller, An Introduction to Probability Theory and its
Applications, Vol. II, First Edition, John Wiley & Sons, Inc., New
York, 1966.