Equation Icon  [ ∫ τ− ] ( μ 2( μ μ ) 1-ν 1- ν λ ν ( ′ ) ′ m + δm )a = q δ ν + u uν 3 ˙a + 6 R λu + − ∞ ∇ G+ z(τ),z(τ ) dτ (17.47 )