W. Nowakowska, Jarosław Werbowski (1995)
Archivum Mathematicum
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The paper contains sufficient conditions under which all solutions of linear functional equations of the higher order are oscillatory.
Koplatadze, R., Partsvania, N. (1995)
Memoirs on Differential Equations and Mathematical Physics
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Agarwal, Ravi P., Grace, Said R., Smith, Tim (2006)
Advances in Difference Equations [electronic only]
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Giorgadze, G. (1998)
Memoirs on Differential Equations and Mathematical Physics
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Tongxing Li, Yuriy V. Rogovchenko, Chenghui Zhang (2015)
Mathematica Bohemica
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We study oscillatory behavior of a class of fourth-order quasilinear differential equations without imposing restrictive conditions on the deviated argument. This allows applications to functional differential equations with delayed and advanced arguments, and not only these. New theorems are based on a thorough analysis of possible behavior of nonoscillatory solutions; they complement and improve a number of results reported in the literature. Three illustrative examples are presented. ...
Agarwal, Ravi P., Grace, Said R., O'Regan, Donal (2005)
Advances in Difference Equations [electronic only]
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Said R. Grace (1991)
Mathematica Slovaca
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