1. V. V. Petrov, Sums of Independent Random Variables, Springer-Verlag (1975).
2. V. M. Zolotarev, “On the closensess of the distributions of two sums of independent random variables,” Teor. Veroyatn. Ee Primen.,10, No. 3, 519–526 (1965).
3. S. V. Nagaev, “Some limit theorems for large deviations,” Teor. Veroyatn. Ee Primen.,10, No. 2, 231–254 (1965).
4. L. V. Osipov, “On the probabilities of large deviations of sums of independent random variables,” Teor. Veroyatn. Ee Primen.,17, No. 2, 320–341 (1972).
5. I. A. Ibragimov and Yu. V. Linnik, Independent and Stationarily Correlated Variables [in Russian], Nauka, Moscow (1965).