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Volume 17, Issue 3, 1990
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Necessary and Sufficient Conditions for Oscillation of Solutions of First Order Linear Differential-Difference Equations
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本文在对系数和偏差不加任何限制的情况下证明了方程(1)振动的充要条件是其特征方程(2)无实根,从而推广了[1]～[4]的工作.
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