Praga - Belgrad – Praga (Arheologiceskij Institut im. N. P. Kondakova v 1938 -1941 godah)
نویسندگان
چکیده
منابع مشابه
$n$-cocoherent rings, $n$-cosemihereditary rings and $n$-V-rings
Let $R$ be a ring, and let $n, d$ be non-negative integers. A right $R$-module $M$ is called $(n, d)$-projective if $Ext^{d+1}_R(M, A)=0$ for every $n$-copresented right $R$-module $A$. $R$ is called right $n$-cocoherent if every $n$-copresented right $R$-module is $(n+1)$-coprese-nted, it is called a right co-$(n,d)$-ring if every right $R$-module is $(n, d)$-projective. $R$...
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ژورنال
عنوان ژورنال: Prilozi za knjizevnost, jezik, istoriju i folklor
سال: 2004
ISSN: 0350-6673,2406-0798
DOI: 10.2298/pkjif0404269j