手镯 发表于 2025-3-21 17:46:28

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悄悄移动 发表于 2025-3-21 22:09:01

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弄皱 发表于 2025-3-22 07:13:30

0075-8434 Overview: 978-3-540-11968-5978-3-540-39561-4Series ISSN 0075-8434 Series E-ISSN 1617-9692

挡泥板 发表于 2025-3-22 10:18:29

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uveitis 发表于 2025-3-22 14:49:32

https://doi.org/10.1007/BFb0064984Boundary value problem; Eigenvalue; Equations; Hilbert space; differential equation; inverse scattering p

迅速飞过 发表于 2025-3-22 17:02:23

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Neolithic 发表于 2025-3-23 06:35:03

Some limit circle eigenvalue problems and asymptotic formulae for eigenvalues,
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查看完整版本: Titlebook: Ordinary and Partial Differential Equations; Proceedings of the S W.N. Everitt,B.D. Sleeman Conference proceedings 1982 Springer-Verlag Ber