A note on the solvability of nonlinear elliptic problems with jumping nonlinearities
Flavio Donati (1985)
Commentationes Mathematicae Universitatis Carolinae
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Flavio Donati (1985)
Commentationes Mathematicae Universitatis Carolinae
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Commentationes Mathematicae Universitatis Carolinae
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Svatopluk Fučík (1967)
Commentationes Mathematicae Universitatis Carolinae
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