Equation Icon  ∫ { ∫ } [ i i ] −1 j-δΓ--- exp − Γ [⟨χ⟩; ¯χ] = 𝒟χ exp − S𝔥[χ] + dx ξ𝔥(¯χ,χ ) − ξ𝔥(¯χ,⟨χ ⟩) (D )iδ⟨χj⟩ , (B.33 ) ∫ { ∫ [ ] } exp − Γ [⟨ξ⟩; ¯χ] = 𝒟ξ exp − S𝔥[ξ, ¯χ] + dx ξi − ⟨ξi⟩-δ-Γ- , (B.34 ) δ⟨ξi⟩