2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/111342Given a generic Lagrangian system of even and odd fields, we show that any infinitesimal transformation of its classical Lagrangian yields the identities which Euclidean Green functions of quantum fields satisfy.13 pagesHigh Energy Physics - TheoryMathematical PhysicsGreen function identities in Euclidean quantum field theorytext