On the existence of infinitely many solutions to a damped sublinear boundary-value problem.
Capietto, Anna, Cherpion, Marielle (2001)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Capietto, Anna, Cherpion, Marielle (2001)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Long, N.T., Dung, B.T., Thuyet, T.M. (2000)
Zeitschrift für Analysis und ihre Anwendungen
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O'Regan, D. (2000)
Zeitschrift für Analysis und ihre Anwendungen
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Hayasida, K. (2000)
Zeitschrift für Analysis und ihre Anwendungen
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Mikulevicius, R., Rozovskii, B. (2001)
Electronic Journal of Probability [electronic only]
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Eloe, Paul W., Henderson, Johnny (1997)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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G. D. Tskhovrebadze (1994)
Archivum Mathematicum
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A criterion for the unique solvability of and sufficient conditions for the correctness of the modified Vallèe-Poussin problem are established for the linear ordinary differential equations with singularities.
Miroljub Jevtić, Miroslav Pavlović (1998)
Publications de l'Institut Mathématique
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Staněk, Svatoslav (1997)
Archivum Mathematicum
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A class of functional boundary conditions for the second order functional differential equation is introduced. Here is a nonlinear continuous unbounded operator. Sufficient conditions for the existence of at least four solutions are given. The proofs are based on the Bihari lemma, the topological method of homotopy, the Leray-Schauder degree and the Borsuk theorem.