
doi: 10.1155/2011/346745
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 infinity
positive solutions, Oscillation theory of functional-differential equations, QA1-939, Mathematics, Neutral functional-differential equations
positive solutions, Oscillation theory of functional-differential equations, QA1-939, Mathematics, Neutral functional-differential equations
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