Gnedenko, B. V. and Kolmogorov, A. N. Limit distributions for sum of independent random variables - Cambridge Addison-Wesley 1954 - ix, 264p. Index, Bibl. - Addison-Wesley Mathematics series . "Translated from the Russian by K. L. Chung with an appendix by J. L. Doob" Dewey Class. No.: 519.2 / G571.LD