TY  - BOOK
AU  - Bogoliubov,N.N.
TI  - A method for studying model Hamiltonians: a minimax principle for problems in statistical physics 
SN  - 008016742X
PY  - 1972///
CY  - Oxford
PB  - Pergamon Press
KW  - Statistical physics
KW  - Fermions
KW  - Hamiltonian operator
N1  - Bibliography: p. 165-167
ER  -