%0 Journal Article %T THE POLYNOMIAL-TIME HIERARCHY AND ORACLE SET A∈PH/poly %J 科学通报(英文版) %D 1991 %I %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=01BA20E8BA813E1908F3698710BBFEFEE816345F465FEBA5&cid=96E6E851B5104576C2DD9FC1FBCB69EF&jid=DD6615BC9D2CFCE0B6F945E8D5314523&aid=E92686185B7B7EDD358AB3751FE03D98&yid=116CB34717B0B183&vid=933658645952ED9F&iid=CA4FD0336C81A37A&sid=BCA2697F357F2001&eid=BCA2697F357F2001&journal_id=1001-6538&journal_name=科学通报(英文版)&referenced_num=0&reference_num=0