Equation Icon  -- A = ζ or ζ, A 0A −1 0-0A − 2 0 0 0A −3 −4 ξ = ξ r − σ ξ- r + σ σ¯ ξ r + O (r ), ω = ω0r−1 − (σ0ω0 + ψ01∕2)r−2 + O (r− 3), A 0-0A -0 0A 3 −1 −4 X = (ψ 1ξ + ψ1ξ )(6r ) +-O (r ), U = U0 − (γ0 + γ0)r − (ψ0 + ψ0)(2r)−1 + O (r−2). 2 2