1. B. S. Kashin and A. A. Saakyan, Orthogonal Series [in Russian], Nauka, Moscow (1984).
2. Z. Ciesielski, P. Simon, and P. Sjölin, ?Equivalence of Haar and Franklin bases in Lp spaces,? Studia Math.,60, No. 2, 195?211 (1976).
3. S. G. Krein, Yu. I. Petunin, and E. M. Semenov, Interpolation of Linear Operators [in Russian], Nauka, Moscow (1978).
4. A. A. Komissarov, ?On the equivalence of the Haar and Franklin systems in symmetric spaces,? Usp. Mat. Nauk,2, No. 2, 203?204 (1982).
5. A. A. Komissarov, ?On the equivalence of the Haar and Franklin systems in certain function spaces,? Sib. Mat. Zh.,23, No. 5, 115?126 (1982).