Higher conservation laws and algebraic Bethe Ansa-umltze for the supersymmetric t-J model.
Phys Rev B Condens Matter 46:14 (1992) 9147-9162
Completeness of the SO(4) Extended Bethe Ansatz for the One-Dimensional Hubbard Model
(1992)
New Exactly Solvable Model of Strongly Correlated Electrons Motivated by High T_c Superconductivity
(1992)
A New Solution of the Supersymmetric TJ Model by Means of the Quantum Inverse Scattering Method
(1992)
New exactly solvable model of strongly correlated electrons motivated by high-Tc superconductivity.
Phys Rev Lett 68:19 (1992) 2960-2963