Equation Icon  ( ∘ -------) ∂tf + eμ−λ∘---v-----⋅ ∇xf − λtx-⋅ v-+ eμ−λ μr 1 + |v|2 x-⋅ ∇vf = 0, (35 ) 1 + |v|2 r r −2λ 2 e (2rλr − 1) + 1 = 8πr ρ, (36 ) e−2λ(2rμr + 1) − 1 = 8πr2p, (37 ) λ = − 4πre λ+μj, (38 ) t e− 2λ( μ + (μ − λ )(μ + 1-)) − e− 2μ (λ + λ (λ − μ )) = 8 πp . (39 ) rr r r r r tt t t t T