On the Maximum of the Minimum of a Sum.
A Classification of Solutions of Certain Nonlinear Differential Inequalities with Application to Theorems of Liouville Type.
Increasing functions.
Abschätzung nach unten für Lösungen nichtlinearer Differentialungleichungen
Das Maximumprinzip in unbeschränkten Gebieten für parabolische Ungleichungen mit Funktionalen.
Differential Equations in Operator Algebras. I. Invariance of the Siegel Disk.
A Differential Inequality for the Distance Function in Normed Linear Spaces.
Remarks on Ordinary Differential Equations in Orderd Banach Spaces.
Sharp Lower Bounds for Solutions on Nonlinear Differential Inequalities.
Counterexamples for Parabolic Differential Equations.
Counterexamples for Uniqueness in Strongly Coupled Parabolic Systems.
The generalized Turner-Bradley-Kirk-Pruitt equation.
An equivalence theorem concerning population growth in a variable environment.
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