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Journal: Mathematics, 2023
Volume: 11
Number: 4364
Article:
On System of Root Vectors of Perturbed Regular Second-Order Differential Operator Not Possessing Basis Property
Authors:
by
Makhmud Sadybekov and Nurlan Imanbaev
Link:
https://www.mdpi.com/2227-7390/11/20/4364
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