1. Microscopic theory of superfluid helium
2. Hydrodynamic fluctuations, broken symmetry, and correlation functions;Forster,1975
3. The Theory of Quantum Liquids, Vols. I & II;Pines,1999
4. Quantum Theory of Many-Particle Systems;Fetter,1971
5. Bose–Einstein Condensation;Pitaevskii,2003