1. Beck, J., Chen, W. L.: Irregularities of Distribution. Cambridge: Univ. Press. 1987.
2. Cochrane, T.: Trigonometric approximation and uniform distribution modulo one. Proc. Amer. Math. Soc.103, 695?702 (1988).
3. Erd�s, P., Tur�n, P.: On a problem in the theory of uniform distribution I, II. Indag. Math.10, 370?378, 406?413 (1948).
4. Grabner, P. J.: Harmonische Analyse, Gleichverteilung und Ziffernentwicklungen. Dissertation. Techn. Univ. Wien 1989.
5. Grabner, P. J., Tichy, R. F.: Remark on an inequality of Erd�s-Tur�n-Koksma. Anz. �sterr. Akad. Wiss.127, 15?22 (1990).