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Keywords

stability
Critical Case

Abstract

    In this paper, we study the conditions under which the zero solution is stable in the semi- liner case for certain third order differential equation of the form :            Where    ,   s = 1,2,3  ,       ,                         ,             The characteristic equation of the above differential equation has complex roots of the form :  and the other root has the following                 ,       .        property  
https://doi.org/10.33899/csmj.2008.163955
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