equation icon  [ ( ) ( ) ] X = e-ieln(z- e)z j + e f(1) + ig(1) + e2 f(2) + ig(2) + ... l l l l l l [ (1) ( (2) (1) 1 ) ] = z jl + efl + e2 fl + gl lnz - --jl(lnz)2 + ... [ ( 2 ) ] (1) 2 (2) 1- (1) +iz e(gl - jllnz) + e gl + zjl - fl ln z + ... . (95)