"Direct Methods of Qualitative Spectral Analysis of Singular Differential Operators" - читать интересную книгу автора (I M Glazman)
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"Direct Methods of Qualitative Spectral Analysis of Singular Differential Operators" - читать интересную книгу автора (I M Glazman) |
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© 2026 Библиотека RealLib.org
(support [a t] reallib.org) |