Equation Icon  ∫ t− htail = 2m ∇ G ¯ ′′(2uα′uβ′ + gα′β′)dt′ + h(1) . (23.7 ) ¯α¯β¯γ 0 ¯γ ¯αβαβ Σ ¯α¯β¯γ