Antitone operators and ordinary differential equations
Valter Šeda (1981)
Czechoslovak Mathematical Journal
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Valter Šeda (1981)
Czechoslovak Mathematical Journal
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Martin Šenkyřík (1992)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
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Vrkoč, Ivo (2001)
Journal of Inequalities and Applications [electronic only]
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Irena Rachůnková (1992)
Mathematica Bohemica
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This paper is concerned with existence and uniqueness of solutions of the three-point problem . The problem is at resonance, in the sense that the associated linear problem has non-trivial solutions. We use the method of lower and upper solutions.