Progress of Theoretical PhysicsThe Statistical Quantum Mechanics of Time-dependent Phenomena and ViscosityTatuya SasakawaPublished Jul 1, 1953• 0 citationsPublisherAbstractTatuya Sasakawa; The Statistical Quantum Mechanics of Time-dependent Phenomena and Viscosity, Progress of Theoretical Physics, Volume 10, Issue 1, 1 July 1953,DOI10.1143/ptp.10.116