CORRELATION-FUNCTION OF THE SPIN-1/2 XXX ANTIFERROMAGNET
PHYSICS LETTERS A 190:2 (1994) 182-184
EXACT SOLUTION OF AN ELECTRONIC MODEL OF SUPERCONDUCTIVITY
INTERNATIONAL JOURNAL OF MODERN PHYSICS B 8:23 (1994) 3205-3242
SCATTERING MATRIX AND EXCITATION SPECTRUM OF THE HUBBARD-MODEL
PHYSICAL REVIEW LETTERS 72:6 (1994) 908-911
SPECTRUM OF LOW-LYING EXCITATIONS IN A SUPERSYMMETRIC EXTENDED HUBBARD-MODEL
INTERNATIONAL JOURNAL OF MODERN PHYSICS B 8:23 (1994) 3243-3279