Nikol’skij, N. K. Invariant subspaces in the theory of operators and theory of functions. (English) Zbl 0348.47004 J. Sov. Math. 5, 129-249 (1976). MSC: 47A15 47-02 47Axx 41A65 43A45 30G30 46J15 × Cite Format Result Cite Review PDF Full Text: DOI
Bennett, Colin A pair of indices for function spaces on the circle. (English) Zbl 0254.46028 Trans. Am. Math. Soc. 174(1972), 289-304 (1973). MSC: 46J10 46E30 47A20 46E35 43A15 × Cite Format Result Cite Review PDF Full Text: DOI