2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/53257Lecture notes on factorizable S-matrices, thermodynamic Bethe Ansatz and integrable perturbations of conformally invariant models; J.A.Swieca Summer School 199146 pagesHigh Energy Physics - TheoryFrom factorizable S-matrices to conformal invariancetext