1. T. V. Arak, ?On the approximation of n-fold convolutions of distributions, having a nonnegative characteristic function, with accompanying laws,? Teor. Veroyatn. Primenen.,25, No. 2, 225?246 (1980).
2. T. V. Arak and A. Yu. Zaitsev, ?Uniform limit theorems for sums of independent random variables,? Tr. Mat. Inst. Akad. Nauk SSSR,174, 1?216 (1986).
3. A. Yu. Zaitsev, ?Some properties of n-fold convolutions of distributions,? Teor. Veroyatn. Primenen.,26, No. 1, 152?156 (1981).
4. A. Yu. Zaitsev, ?Estimates of closeness of successive convolutions of symmetric distributions,? Teor. Veroyatn. Primenen.,28, No. 1, 184?185 (1983).
5. A. Yu. Zaitsev, ?On a multidimensional generalization of the method of triangular functions,? Zap. Nauchn. Sem. Leningr. Old. Mat. Inst.,158, 81?104 (1987).