頁籤選單縮合
題 名 | On Direct Sums of Proper Classes |
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作 者 | Alizade,R.; Bilhan,G.; Pancar,A.; | 書刊名 | 東吳數理學報 |
卷 期 | 23:4 1997.10[民86.10] |
頁 次 | 頁391-400 |
分類號 | 313.2 |
關鍵詞 | Proper class of short exact sequences; Projectively(injectively) generated class; Reduced abelian group; (Direct) sum of proper classes; Coprojective; Coinjective groups; Neat exact sequences; Pure exact sequence; Algebraically compact group; Cotorsion group; |
語 文 | 英文(English) |