classic papers of the week -- 119

Forms of Relativistic Dynamics

• Paul A.M. Dirac (St. John's College, Cambridge)

Dynamical Role of Light Neutral Leptons in Cosmology

• S. Tremaine, J.E. Gunn (W. K. Kellogg Radiation Laboratory, California Institute of Technology, Pasadena, CA)

Vacuum Quantum Fluctuations in Curved Space and the Theory of Gravitation

• Sakharov, A. D.