中国综合性科技类核心期刊(北大核心)
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中文
On *r-clean rings
Jian QIN, Zhiling YING, Hua ZHOU
Journal of East China Normal University(Natural Science) . 2024, (
2
): 30 -32 . DOI: 10.3969/j.issn.1000-5641.2024.02.004
中国综合性科技类核心期刊(北大核心)