Ozbekler, A.Wong, J. S. W.Zafer, A.Mathematics2024-07-052024-07-052011100893-965910.1016/j.aml.2011.02.0132-s2.0-79953225831https://doi.org/10.1016/j.aml.2011.02.013https://hdl.handle.net/20.500.14411/1335Zafer, Agacik/0000-0001-8446-1223; Ozbekler, Abdullah/0000-0001-5196-4078In this paper we give new oscillation criteria for forced super- and sub-linear differential equations by means of nonprincipal solutions. (c) 2011 Elsevier Ltd. All rights reserved.eninfo:eu-repo/semantics/closedAccessNonprincipalSuper-linearSub-linearOscillationForced oscillation of second-order nonlinear differential equations with positive and negative coefficientsArticleQ124712251230WOS:000289743300035