Document Zbl 0316.47041

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Ann. Soc. Sci. Bruxelles, Sér. I 89, 497-508 (1975).

Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page
scan of Zbl 0316.47041

47J05	Equations involving nonlinear operators (general)
47A53	(Semi-) Fredholm operators; index theories
47H10	Fixed-point theorems
55M25	Degree, winding number

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