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Abstract. In this paper, some oscillatory
results for nonlinear difference equations
xn+1
= λn xn + ∑1r
αi(n)F(xn-mi), n
= 0, 1,...
where mi, ∀ i =1,...,r
are fixed positive integers, {λn}n is a sequence
of positive real numbers and the function F is defined on the set of
the real numbers are obtained.
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