ON THE NUMBER OF DIAGRAMS FOR A TWO-PARTICLE GREEN FUNCTION OF INTERACTING FERMIONS

ON THE NUMBER OF DIAGRAMS FOR ONE-AND TWO-PARTICLE GREEN FUNCTIONS IN THE CASE OF DIRECT FERMION INTERACTION

ON THE SPECTRAL FUNCTIONS OF THE TWO-PARTICLE GREEN'S FUNCTION IN NONRELATIVISTIC MANY-FERMION PROBLEMS.

THE APPLICATION OF GREEN'S FUNCTIONS TO THE QUASI-PARTICLE INTERACTIONS IN A MANY FERMION SYSTEM

EXACT GROUND STATES AND CORRELATION FUNCTIONS OF INTERACTING SPINLESS FERMIONS ON TWO-LEGGED LADDER

Equations for green functions of fermion systems including two-particle correlations

SCATTERING MATRIX FOR FINITE TIME IN INTERACTING PARTICLE WAVE FUNCTION SPACE