Abdalla, M. C.B.2022-04-292022-04-291985-12-05Physics Letters B, v. 164, n. 1-3, p. 71-74, 1985.0370-2693http://hdl.handle.net/11449/231113Using the conservation of the quantum non-local charge, the S-matrices of pure non-linear sigma models with symmetry G ⊗ G (G non-exceptional) are computed. © 1985.71-74engArtigo10.1016/0370-2693(85)90033-42-s2.0-46549091907