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Properties of Spectral Expansions Corresponding to Non-Self-Adjoint Differential Operators

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  1. V. A. Il'in
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Il'in, V.A., Kritskov, L.V. Properties of Spectral Expansions Corresponding to Non-Self-Adjoint Differential Operators. Journal of Mathematical Sciences 116, 3489–3550 (2003). https://doi.org/10.1023/A:1024180807502

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