Equation Icon  E := − g (∂ ∕∂t,pa) = c2e2ν∕c2p0 ∘ ---------------------------------------------- = c2eν∕c2 1 + c−2 (e2μ(p1)2 + e2μ(p2)2 + ρ2B2e −2ν∕c2(p3)2), (71 ) L := g(∂∕∂φ, pa) = ρ2B2e −2ν∕c2p3. (72 )