共 10 条
- [1] BAUER H, 1966, REV ROUMAINE MATH PU, V11, P747
- [2] BOURBAKI N, 1969, ELEMENTS MATH, V6, pCH9
- [4] HIGMAN G, 1954, P LOND MATH SOC, V29, P233
- [6] SCHEFFER CL, 1969, CR ACAD SCI A MATH, V269, P205
- [7] STRASSEN V, 1964, GEBIETE, V2, P273
- [10] [No title captured]