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47.35 Reducibility, invariant subspaces (2 articles)

• Marek, Ivo: Iterations of linear bounded operators in non self-adjoint eigenvalue problems and Kellogg's iteration process. (English). Czechoslovak Mathematical Journal, vol. 12 (1962), issue 4, pp. 536-554
• Marek, I.: Iterations of linear bounded operators and Kellogg's iterations. (English). In: General Topology and its Relations to Modern Analysis and Algebra. Proceedings of the symposium held in Prague in September 1961. Academia Publishing House of the Czechoslovak Academy of Sciences, Prague, 1962. pp. [267]-269