Variational oscillation criteria for nonlinear nonhomogeneous differential equations.
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Zheng, Zhaowen, Cheng, Sui Sun (2007)
Applied Mathematics E-Notes [electronic only]
Filippo Cammaroto, Paolo Cubiotti (1999)
Commentationes Mathematicae Universitatis Carolinae
We deal with the integral equation , with , and . We prove an existence theorem for solutions where the function is not assumed to be continuous, extending a result previously obtained for the case .
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