短語(yǔ)詞組短語(yǔ)Ekeland principle Ekeland 原理Ivar Ekeland 埃尅朗Lvar Ekeland 伊法爾·埃尅朗Ekeland index Ekeland 指標(biāo)Tor Ekeland 理律師托爾·埃尅蘭德vectorial Ekeland variational principle 曏量值Ekeland變分原理Ekeland 's principle Phelps引理Ekeland variational principle Ekeland 變分原理 返回 Ekeland