Existence of Nonoscillatory Solutions of First-Order Neutral Differential Equations

This paper contains some sufficient conditions for the existence of positive solutions which are bounded below and above by positive functions for the first-order nonlinear neutral differential equations. These equations can also support the existence of positive solutions approaching zero at infini...

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Bibliographic Details
Main Authors: Božena Dorociaková, Anna Najmanová, Rudolf Olach
Format: Article
Language:English
Published: Hindawi Limited 2011-01-01
Series:Abstract and Applied Analysis
Online Access:http://dx.doi.org/10.1155/2011/346745