Tunç, C2025-05-102025-05-1020040096-300310.1016/S0096-3003(03)00694-52-s2.0-2942618682https://doi.org/10.1016/S0096-3003(03)00694-5https://hdl.handle.net/20.500.14720/14671Tunc, Cemil/0000-0003-2909-8753Sufficient conditions are obtained which ensure that all solutions of the equation x((5)) + f(t, x, <(x)over dot>, <(x)double over dot>, (x) triple over dot, x((4))) + phi(t, <(x)double over dot>, (x) triple over dot) + psi(t, <(x)over dot>, <(x)double over dot>) + g(t, x, <(x)over dot>) + d(t)h(x) = p(t, x, <(x)over dot>, <(x)double over dot>, (x) triple over dot, x((4))) are uniformly bounded and tend to zero as t --> infinity. Our result includes and improves the result obtained in [Appl. Math. Comput. 131 (1) (2002) 1]. (C) 2003 Elsevier Inc. All rights reserved.eninfo:eu-repo/semantics/closedAccessAsymptotic BehaviourBoundednessConvergenceArticle