Equation Icon  ∫ 3 h μν = 4 -d-y--Λ μν(t − |⃗x − ⃗y|,⃗y) F(N) N |⃗x − ⃗y | ∑ l ( ) = 4 (−-1)-∂Kl 1M Klμν(u) , (191 ) l=0 l! r