%0 Journal Article %T Banach空间上连续规函数G-可微和F-可微的充要条件 %A 程立新 %J 科学通报 %D 1989 %I %X 陈道琦指出:Banach空间X的范数在点x_0∈S(X)={x∈X,||x||=1}G-可微的一个充分条件为 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=01BA20E8BA813E1908F3698710BBFEFEE816345F465FEBA5&cid=7C7E63796F062382A606A3A9833B8C05&jid=B40D4BA57FF46E45205A09B4DC283152&aid=79180BF03AAFBF6D09833631B5726B15&yid=1833A6AA51F779C1&vid=339D79302DF62549&iid=F3090AE9B60B7ED1&sid=FC6FCA5A7559F1FB&eid=FC6FCA5A7559F1FB&journal_id=0023-074X&journal_name=科学通报&referenced_num=0&reference_num=0