Equation Icon  [ ] ∫ [∫ ( ∑ ) ] S g ,πij,φ,π ,A(p) ,πm1 ⋅⋅⋅mp = dx0 ddx πijg˙ + π φ˙+ πm1 ⋅⋅⋅mpA˙(p) − H , (2.4 ) ij φ m1 ⋅⋅⋅mp (p) ij φ (p) m1⋅⋅⋅mp p