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Q3453833 - MaRDI portal

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scientific article
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scientific article

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    30 November 2015
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    quadratic pencil
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    second order pencil
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    pencil of ordinary differential operators
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    two-point boundary conditions
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    homogeneous differential expression with constant coefficients
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    completeness of the system of eigenfunctions
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    non-completeness of the system of eigenfunctions
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