Equation Icon  [ ρ ] H (h∕ λ) = − --1---ρ ∂ρ h (ρ, λ)Ξ-(h-∕λ) , h(ρ,λ) ρ ∫ ρ ( ) ρ du- ---λ--- (3.70 ) Ξ (h∕ λ) = − ρ u B λ h(u,λ ) , ∫ σ -a-- ρ -1- ρ du- Ξ (h∕ λ) = − 2bρ Ξ (h∕λ ) + 2b u S(u, λ).