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math.CA2011
Remarks on the Periodic Boundary Value Problems for Nonlinear Second Order Ordinary Differential Equations
Faouzi Haddouchi, Slimane Benaicha
This paper is devoted to study the existence of solutions and the monotone method of second-order periodic boundary value problems when the lower and upper solutions and vi…
math.CA2011★ 1 cited
Some remarks on positive solutions of nonlinear problems at resonance
Faouzi Haddouchi, Slimane Benaicha
The proof of a result of J. J. Nieto [3] appeared in "Acta Math, Hung". (1992) concerning the positive solutions of nonlinear problems at resonance is corrected and improved.