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feixiaolin

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  • 2014-01-04 17:49:16, 139.68 K
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2Â¥: Originally posted by feixiaolin at 2014-01-04 17:50:07
http://d.wanfangdata.com.cn/periodical_czszxb201206010.aspx
Cauchy-Schwarz inequality?

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3Â¥2014-01-06 08:23:09
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