1. M. V. Fedoryuk, Asymptotics: Integrals and Series, in Mathematical Reference Library (Nauka, Moscow, 1987) [in Russian].
2. E. B. Yarovaya, “Symmetric branching walks with heavy tails,” in Probability Theory and Mathematical Statistics Vol. 7: Problems of Current Interest in Mathematics and Mechanics (Izd. Moskov. Univ., Moscow, 2011), pp. 77–84 [in Russian].
3. E. Yarovaya, “Branching random walks with heavy tails,” Comm. Statist. Theory Methods 42 16, 3001–3010 (2013).
4. E. Yarovaya, “Criteria for transient behavior of symmetric branching random walks on Z and Z2,” in New Perspectives on Stochastic Modeling and Data Analysis (ISAST, Athens, 2014), pp. 283–294.
5. A. A. Borovkov and K. A. Borovkov, Asymptotic Analysis of Random Walks: Heavy-Tailed Distributions, in Encyclopedia Math. Appl. (Cambridge Univ. Press, Cambridge, 2008), Vol. 118.