1. Handbook of Mathematical Functions;Abramowitz,1970
2. The local limit theorem and some related aspects of supercritical branching processes;Athreya;Trans. Amer. Math. Soc.,1970
3. Branching Processes;Athreya,1972
4. On the rate of convergence in birth and death processes;Callaert;Bull. Soc. Math. Belgique,1974
5. Markov Chains with Stationary Transition Probabilities;Chung,1967