Massless integrable quantum field theories and massless scattering in 1+1 dimensions
(1993)
Exact N=2 Landau-Ginzburg Flows
(1993)
Central charges without finite-size effects
(1993)
Kinks in the Kondo problem
(1993)
Massless Flows I: the sine-Gordon and O(n) models
(1993)