Al-Osh, M.A., Aly, E.E.A.A., 1992.First order autoregressive time series with negative binomial and geometric marginals.Comm. Statist. Theory Methods 21,2483–2492.

Al-Osh, M.A., Alzaid, A.A., 1987. First-order integer-valued autoregressive (INAR(1)) process. J. Time Ser. Anal. 8, 261–275.

Alzaid, A.A., Al-Osh, M.A., 1988. First-order integer-valued autoregressive (INAR(1)) process: distributional and regression properties. Statist. Neerlandica 42,53–61.