Equation Icon  uB = G (τ,ζ, ¯ζ) = ξa(τ)ˆla(ζ,ζ¯) + ξij(τ)Y02ij + ... (6.1 ) ξ0(τ) 1 = -√--- − --ξi(τ)Y 01i + ξij(τ)Y 02ij + ... 2 2