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Über die Existenz von Lösungen der Differentialgleichung u’=f(u) in einer abgeschlossenen Menge, wenn f eine k-Mengenkontraktion ist. (German) Zbl 0341.34053

Ordin. part. Differ. Equat., Proc. 4th Conf., Dundee 1976, Lect. Notes Math. 564, 496-503 (1976).

MSC:

34G99 Differential equations in abstract spaces
34A12 Initial value problems, existence, uniqueness, continuous dependence and continuation of solutions to ordinary differential equations
47J05 Equations involving nonlinear operators (general)