共 7 条
[2]
Halmos PR., 1982, HILBERT SPACE PROBLE
[3]
Horn A., 1954, AM J MATH, V76, P620, DOI DOI 10.2307/2372705
[5]
LERER LE, 1967, MAT ISSLED, V2, P156
[7]
WILLIAMS JP, 1971, J LOND MATH SOC, V3, P526