THERMODYNAMIC GREEN'S FUNCTION FOR HARTREE--FOCK HAMILTONIAN.

HARTREE-FOCK THEORY AND COLLECTIVE MOTION

THERMODYNAMIC APPROXIMATION OF FERMION GREEN'S FUNCTIONS BY A VARIATIONAL PRINCIPLE.

THE EXPANSION OF THE HARTREE-FOCK APPROXIMATION BY A CORRELATION FUNCTION

HARTREE--FOCK AND HARTREE--BOGOLYUBOV EQUATIONS WITH EXACT SYMMETRIES.

USE OF THE HARTREE-FOCK EQUATIONS FOR A SYSTEM OF QUASI-PARTICLES

Hamiltonians with Hartree--Fock solutions in the thermodynamic limit