On the grand partition function of a superconducting fermi system

On the grand partition function of a superconducting Fermi system

Grand canonical partition functions for multi level para Fermi systems of any order

Grand Partition Function の Functional Integral Representation

Functional integral representation of the nuclear many-body grand partition function

Exact solution for the partition function of a system of interacting fermions

Perturbation theory for superconducting Fermi systems