树木中
发表于 2025-3-25 04:31:47
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CUB
发表于 2025-3-25 10:10:56
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使习惯于
发表于 2025-3-25 13:00:04
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分解
发表于 2025-3-25 16:20:54
978-3-540-15694-9Springer-Verlag Berlin Heidelberg 1985
alleviate
发表于 2025-3-25 20:27:29
Ordinary and Partial Differential Equations978-3-540-39640-6Series ISSN 0075-8434 Series E-ISSN 1617-9692
矛盾
发表于 2025-3-26 03:12:26
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murmur
发表于 2025-3-26 05:44:01
Some further results on oscillatory behavior of solutions of nth order delay differential equationsSome new integral conditions for the oscillation of the nonlinear nth order delay differential equation . are established.
驳船
发表于 2025-3-26 11:12:43
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打谷工具
发表于 2025-3-26 16:27:53
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Pessary
发表于 2025-3-26 20:24:57
Travelling wave front solutions of a differential-difference equation arising in the modelling of manced and retarded arguments. The analysis of such an equation is undertaken in the (u,u’) plane, and exhibits some interesting differences from the corresponding unmyelinated model, where the equation is simply an ordinary differential equation.