[1] COX D. R., LEWIS P. A. W.: The statistical analysis of series of events. London - New York: Methuen and J. Wiley, 1966. MR 0199942 | Zbl 0148.14005

[2] BILLINGSLEY P.: Convergence of probability measure. New York: J. Wiley, 1968. MR 0233396

[3] BROWN M.: Statistical analysis of nonhomogeneous Poisson processes. In Volume on Point stochastic processes, P. A. W. Lewis, Editor, 1972, p. 67-89. MR 0359216

[4] KRICKERBEG K.: Lectures on point stochastic processes. (in Vietnamese), Hanoi 1975.

[5] PETROV V. V.: Sumy nezavisimych slučaĭnych veličin. Moscow 1972.