Petersen, Karl E. (1983). "Chapter 2.". Ergodic Theory. Cambridge Studies in Advanced Mathematics. Cambridge: Cambridge University Press. ISBN978-0-521-38997-6.
Szabó, Zoltán (1990). "An application of Lovász' local lemma-a new lower bound for the van der Waerden number". Random Structures & Algorithms. 1 (3): 343–360. doi:10.1002/rsa.3240010307.