equation icon  [ ( )] --1--- (1)mn mn 1- mn 4- (1)mn (1)mn 8pGB G + /\B h - 2 j h (x) - 3 aBD (x)- 2bBB (x) integral - qG(1)mn(x)m -(n-4)iDF (0) + 1- dny m- (n- 4)Hmnab (x,y)hab(y) = qmn(x). (87) n 2 n