MASSLESS FLOWS II: THE EXACT S-MATRIX APPROACH
International Journal of Modern Physics A World Scientific Publishing 8:32 (1993) 5751-5778
Central charges without finite-size effects
Physics Letters B Elsevier 319:1-3 (1993) 132-138
Kinks in the Kondo problem
Physical Review Letters American Physical Society (APS) 71:15 (1993) 2485-2488
Massless integrable quantum field theories and massless scattering in 1+1 dimensions
(1993)