Progress of Theoretical PhysicsThe Quantum Mechanics of Assemblies of Interacting ParticlesT. MatsubaraPublished Oct 1, 1951• 31 citationsPublisherAbstractT. Matsubara; The Quantum Mechanics of Assemblies of Interacting Particles, Progress of Theoretical Physics, Volume 6, Issue 5, 1 October 1951, Pages 899–901, hDOI10.1143/ptp.6.899