1. I. A. Ibragimov and Yu. V. Linnik, Independent and Stationary Sequences of Random Variables, Wolters-Noordhoff, Groningen, 1971.
2. V. V. Petrov, Limit Theorems for Sums of Independent Random Variables [in Russian], Nauka, Moscow (1987).
3. V. V. Petrov, Sums of Independent Random Variables, Springer, New York (1975).
4. A. N. Kolmogorov, "Some works of recent years in the field of limit theorems in the theory of probability," Vestnik Moskov. Univ. Ser. Fiz.-Mat. Estest. Nauk, No. 10, 29?38 (1953).
5. Yu. V. Linnik, "On the accuracy of the approximation to the Gauss distribution by sums of independent random variables," Izv. Akad. Nauk SSSR, Ser. Mat.,11, No. 2, 111?138 (1947).