共 7 条
- [1] CERNIKOV SN, 1963, TRANSL AM MATH SOC, V26, P12
- [3] GOODEARL KR, 1980, INDIANA U MATH J, V29, P861, DOI 10.1512/iumj.1980.29.29060
- [5] HANDELMAN D, 1985, MEM AM MATH SOC, V320, pP80
- [6] Hardy G., 1959, INEQUALITIES
- [7] [No title captured]