Equation Icon  μν ∫ 3 ′ Λ μν(t − |⃗x − ⃗x′|,⃗x ′) h F(F )(t,⃗x) = 4 d x ------------′------ ∫Fu ∮ |⃗x − ⃗x | ′ Λμν(u-′ +-r′,⃗x-′) ′ ′ ′ 2 = 4 −∞ du F t − u′ − ⃗n′ ⋅⃗x [r (u ,Ω )] dΩ, (193 )