1. Multiplicative System of Functions and Harmonic Analysis on Zero-Dimensional Groups;Agaev,1981
2. On continuous major and minor functions for the n-dimensional Perron integral;Bongiorno;Real Anal. Exchange,1996
3. Leçons sur le calcul des coefficients d'une série trigonométrique, III;Denjoy,1941
4. Walsh Series and Transforms – Theory and Applications;Golubov,1991
5. The General Theory of Integration;Henstock,1991