1. L. A. Balashov-A. I. Rubinstein, Series with respect to the Walsh system and their generalizations,Itogi nauki, Mat. anal., (1970), 147–202 (in Russian).
2. R. R. Coifman-G. Weiss, Extensions of Hardy spaces and their use in analysis,Bull. Amer. Math. Soc.,83 (1977), 569–645.
3. N. J. Fine, On the Walsh functions,TAMS,65 (1949), 372–414.
4. F. Schipp, Construction of a continuous function, whose Walsh series diverges at a prescribed point,Annales Univ. Sci. Budapest, Sectio Math.,9 (1966), 103–108.
5. Lecture Notes in Math.;B. Smith,1983