1. A. N. Kolmogorov, Foundations of the Theory of Probability. New York, NY: Chelsea Pub. Co., 1956. Translation of a German 1933 monograph.
2. J. W. M. Bergmans, Digital Baseband Transmission and Recording. Dordrecht, The Netherlands: Kluwer Acad. Publishers, 1996.
3. R. A. Horn and C. R. Johnson, Matrix Analysis. Cambridge, United Kingdom: Cambridge University Press, 2005.
4. A. J. Laub, Matrix Analysis for Scientists & Engineers. Philadelphia, PA: Soc. Industrial and Applied Math., 2005.
5. P. Lévy, “A special problem of Brownian motion and a general theory of Gaussian random functions,” in Proc. 3rd Berkeley Symposium on Math. Statistics and Probability, vol. 2, (Berkeley, CA), pp. 133–175, Univ. California Press, 1956.