1. B. C. Kashin and A. A. Saakyan, Orthogonal Series (Izd. AFTs, Moscow, 1999) [in Russian].
2. J.-O. Strömberg, “Amodified Franklin systemand higher-order spline onRn as unconditional basis forHardy spaces,” in Conference in Harmonic Analysis in Honor of Antoni Zygmund (Wadsworth, Belmont, CA, 1983), Vol. II, pp. 475–494.
3. G. Battle, “A block spin construction of ondelettes. I. Lemariéfunctions,” Comm. Math. Phys. 110 (4), 601–615 (1987).
4. I. Ya. Novikov, V. Yu. Protasov, and M. A. Skopina, Theory of Wavelets (Fizmatlit, Moscow, 2005) [in Russian].
5. S. V. Astashkin, Rademacher Systems in Function Spaces (Fizmatlit, Moscow, 2017) [in Russian].