Oscillatory behaviour of solutions of nonlinear higher order neutral differential equations
N. Parhi, Radhanath N. Rath (2004)
Mathematica Bohemica
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N. Parhi, Radhanath N. Rath (2004)
Mathematica Bohemica
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Rudolf Olach, Helena Šamajová (2005)
Open Mathematics
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Sufficient conditions which guarantee that certain linear integro-differential equation cannot have a positive solution are established.
Wu, Yumei (1995)
Acta Mathematica Universitatis Comenianae. New Series
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Zhiguo Luo, Jian Hua Shen (2004)
Czechoslovak Mathematical Journal
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In this paper, oscillattion and nonoscillation criteria are established for neutral differential equations with positive and negative coefficients. Our criteria improve and extend many results known in the literature.
Li, Xianyi, Zhu, Deming, Wang, Hanqing (2003)
International Journal of Mathematics and Mathematical Sciences
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Graef, John R., Savithri, R., Thandapani, E. (2003)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
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