Equation Icon  1 ∮ 1 ∮ ∫ ( 1 ) ----- Kab ϕa^rb d2V − ----- Kabϕa ^rbd2V = Tab^τaϕb + ------(Kab − Kqab )ℒϕqab d3V.(42 ) 8πG S2 8πG S1 ΔH 16 πG