Ford, Kevin (2007). "From Kolmogorov's theorem on empirical distribution to number theory". In Charpentier, Éric; Lesne, Annick; Nikolʹskiĭ, Nikolaĭ Kapitonovich (eds.). Kolmogorov's Heritage in Mathematics. Springer. pp. 97–108. ISBN978-3-540-36349-1. Retrieved 2009-04-17.