Fixed Points of Generalized P-Compact Operators.
Das Picard-Problem für u...= f (x, y, u..., u...) unter Carathéodory-Voraussetzungen.
On Approximate Solutions of Differential Equations in Banach Spaces.
Global Solutions of Ordinary Differential Equations with Lag.
Zeros of Accretive Operators.
Eigenschaften der Lösungsmenge eines Systems von Volterra-Integralgleichungen.
Periodic Solutions of Differential Equations in Banach Spaces.
Das Goursat-Problem für uxy = f(x, y, u) (Short Communication)
Das Goursat-Problem für
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