共 9 条
[1]
AMITSUR SA, 1972, S MATEMATICA, V8
[5]
JOHNSON RE, 1961, PAC J MATH, V11
[6]
SEMIPRIME PI RINGS
[J].
PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY,
1973, 40 (02)
:365-369
[9]
ROWEN L, TO BE PUBLISHED