Abstract
We obtain a sharp sufficient condition for the oscillation of all solutions of the neutral differential equation. We also obtain a sufficient condition for the existence of a positive solution of Eq.(l)
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∗On leave from Department of Mathematics, Yangzhou Teacher's College Yangzhou, Jiangsu, P. R. C.
∗On leave from Department of Mathematics, Yangzhou Teacher's College Yangzhou, Jiangsu, P. R. C.
Notes
∗On leave from Department of Mathematics, Yangzhou Teacher's College Yangzhou, Jiangsu, P. R. C.