共 50 条
- [37] Groups whose proper quotients are hypercentral JOURNAL OF THE AUSTRALIAN MATHEMATICAL SOCIETY SERIES A-PURE MATHEMATICS AND STATISTICS, 1998, 65 : 224 - 237
- [38] GROUPS WHOSE PROPER FACTORS ARE ABELIAN ACTA MATHEMATICA ACADEMIAE SCIENTIARUM HUNGARICAE, 1976, 27 (1-2): : 33 - 36