中国综合性科技类核心期刊(北大核心)
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中文
Property of the consistent Fredholm index and property (ω
1
)
DAI Lei
Journal of East China Normal University(Natural Science) . 2020, (
2
): 1 -7 . DOI: 10.3969/j.issn.1000-5641.201911004
中国综合性科技类核心期刊(北大核心)