scientific article; zbMATH DE number 523062
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Publication:4284369
zbMath0797.47003MaRDI QIDQ4284369
Publication date: 18 April 1994
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
commuting selfadjoint extensions of a pair of closed symmetric operatorscommuting unitary extensions of a system of isometric operators
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