Browsing by Author "Wong, J. S. W."
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Article Citation Count: 10Forced oscillation of second-order nonlinear differential equations with positive and negative coefficients(Pergamon-elsevier Science Ltd, 2011) Özbekler, Abdullah; Wong, J. S. W.; Zafer, A.; MathematicsIn 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.