共 4 条
[1]
ATKINSON FV, 1951, MAT SBORNIK, V28, P3
[2]
COBURN LA, 1966, J MATH MECH, V15, P577
[3]
Halmos PR., 1961, J REINE ANGEW MATH, V208, P102
[4]
Naimark M., 1959, NORMED RINGS