Physics Letters B · 1976 · 14 citations · 0 references
Natural SciencesMathematicsPhysicsGravitationMathematical PhysicsTheoretical PhysicsCanonical TransformationsClassical MechanicsGauge TheoryGeneral RelativityString TheorySymplectic GeometryAction Principle In RelativityStationary Action PrincipleString CompactificationString CosmologyString Field TheoryString Perturbation TheoryString Scattering Amplitudes