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On the Defect Index of Quadratic Self-Adjoint Operator Pencils

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  1. Ukraine

    A. S. Kostenko

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  1. A. S. Kostenko
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Kostenko, A.S. On the Defect Index of Quadratic Self-Adjoint Operator Pencils. Mathematical Notes 72, 285–290 (2002). https://doi.org/10.1023/A:1019818516267

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