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Journal: Symmetry, 2020
Volume: 12
Number: 1918
Article:
Best Approximations by Increasing Invariant Subspaces of Self-Adjoint Operators
Authors:
by
Oleh Lopushansky and Renata Tłuczek-Piȩciak
Link:
https://www.mdpi.com/2073-8994/12/11/1918
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