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А. С. Холево, “Структура квантовой гауссовской наблюдаемой общего вида”, Труды МИАН, 313 (2021), 78–86 ; A. S. Holevo, “Structure of a General Quantum Gaussian Observable”, Proc. Steklov Inst. Math., 313 (2021), 70–77
Alexander Holevo, “On the Classical Capacity of General Quantum Gaussian Measurement”, Entropy, 23:3 (2021), 377–14