Ademola, T. A.Arawomo, P. O.2023-03-202023-03-2020091551-7624ui_art_ademola_boundedness_2009The Pacific Journal of Science and Technology 10(2), pp. 187-193http://ir.library.ui.edu.ng/handle/123456789/8085Sufficient conditions are established for the uniform ultimate boundedness of solutions of a third-order nonlinear differential equation (1). When, p(t,x,x',x")=0, criteria under which all solutions x(t), its first and second derivatives tend to zero as t→∞, are given.enThird-orderDifferential equationsStabilityUniform-boundedUltimate boundednessArticle