Estimates of Approximation Numbers, Nuclearity of the Resolvent of a Third‐Order Singular Differential Operator, and the Completeness of Its Root Vectors.

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Bibliographic Details
Title: Estimates of Approximation Numbers, Nuclearity of the Resolvent of a Third‐Order Singular Differential Operator, and the Completeness of Its Root Vectors.
Authors: Muratbekov, Mussakan1 (AUTHOR), Muratbekov, Madi2 (AUTHOR) madimm@list.ru, Shuitenov, Gabit3 (AUTHOR)
Source: Mathematical Methods in the Applied Sciences. 5/30/2025, Vol. 48 Issue 8, p8903-8910. 8p.
Database: Mathematics Source
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ISSN:01704214
DOI:10.1002/mma.10763