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Nonlinear eigenvalue problems and the existence of nonzero fixed points for A-proper mappings. (English) Zbl 0443.47060

Theory of nonlinear operators, Proc. 5th int. Summer Sch., Berlin 1977, Abh. Akad. Wiss. DDR 1978, No. 6N, 215-227 (1978).

MSC:

47J10 Nonlinear spectral theory, nonlinear eigenvalue problems