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Publication:3948186
zbMath0487.47023MaRDI QIDQ3948186
Publication date: 1982
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Subnormal operators, hyponormal operators, etc. (47B20) Dilations, extensions, compressions of linear operators (47A20) Spectral sets of linear operators (47A25)