q=r.+%E5%BA%93%E5%85%B0%E7%89%B9%2Crichard+courant%2Ch.+%E7%BD%97%E5%AE%BE%E6%96%AF%2C%2Cherbert+robbins&searchType=standard&isFacet=true&view=standard&searchWay=author&rows=10&sortWay=score&sortOrder=desc&searchWay0=marc&logical0=AND
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r. 库兰特,richard courant,h. 罗宾斯,,herbert robbins