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| OSCILLATORY CRITERIA FOR A CLASS OF EVEN ORDER NONLINEAR FUNCTIONAL DIFFERENTIAL EQUATION | |
| 摘 要： | <正> In this paper we consider the following nth order nonlinear functional differential equation x~(n)(t)+integral from n=1 to ∞p(t,ξ)f(x(t),x[g(t,ξ)])do(ξ)=0(n even,n≧2,b>a) (1) Oscillations of this equation are studied.We make the |
OSCILLATORY CRITERIA FOR A CLASS OF EVEN ORDER NONLINEAR FUNCTIONAL DIFFERENTIAL EQUATION |
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