math search 真是个好东西
http://www.maths.usyd.edu.au:8000/MathSearch.html
To search a collection of over 200,000 documents on English-language mathematics and statistics servers across the Web, enter one or more ``phrases'', then start the search.
[此贴子已经被admin于2003-8-4 13:33:24编辑过]
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