Tunc, Cemil2025-05-102025-05-1020061072-66912-s2.0-33645132266https://hdl.handle.net/20.500.14720/17477We give criteria for the asymptotic stability and boundedness of solutions to the nonlinear fourth-order ordinary differential equation x((4)) + phi(x) x + f(x, x) x + g(x) + h(x) = p(t, x, x, x, x), when p equivalent to 0 and when p not equal 0. Our results include and improve some well-known results in the literature.eninfo:eu-repo/semantics/closedAccessFourth Order Differential EquationsStabilityBoundednessArticle