Billingsley P., Convergence of Probability Measures, Wiley, New York, 1968
2.
Laurinčikas A., Limit Theorems for the Riemann Zeta-Function, Kluwer Academic Publishers, Dordrecht–Boston–London, 1996
3.
Laurinčikas A., “Limit theorems for the Estermann zeta-function, I”, Statist. Probab. Letters, 72:3 (2005), 227–235
4.
Laurinčikas A., “Limit theorems for the Estermann zeta-function, II”, CEJM, 3:4 (2005), 580–590
5.
Prokhorov Yu. V., “Convergence of random processes and limit theorems of probability theory”, Probab. Theory and Appl., 1:2 (1956), 177–238 (in Russian)
