Equation Icon  d ln ℳ 𝒩 (r,ℳ, ℒ) ------- = --1--------- (94 ) d ln r 𝒟(r,ℳ, ℒ ) dln-ℒ- 𝒩2(r,ℳ,--ℒ)- d ln r = 𝒟 (r,ℳ, ℒ ) . (95 )