OSCILLATION CRITERIA OF THIRD-ORDER NONLINEAR DELAY DIFFERENTIAL EQUATIONS
OSCILLATION CRITERIA OF THIRD-ORDER NONLINEAR DELAY DIFFERENTIAL EQUATIONS
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作者:
S. Saker
In this paper, we consider a certain class of third order nonlinear delay differential equations. By m eans of th e Riccati transformation techniques we estab lish some new criteria and also Kamenev-type criteria which insure that every solution oscillates or converges to zero. Some examples are considered to illustrate our main results.