Second Order Supersymmetry Transformations in Quantum Mechanics

Second-order mixtures in relativistic Schrödinger theory

Selection rules for topology change

Self duality of the gauge field equations and the cosmological constant

Self-dual space-times with cosmological constant

Self-interacting complex scalar field as dark matter

Self-similar spacetimes: Geometry and dynamics

Semi-infinite homology and 2D gravity. I

Separation of variables and quantum numbers for Weyl neutrino fields on curved space-time

Series solutions for the Dirac equation in Kerr-Newman space-time.

Simplicial quantum gravity in the elongated phase

Singular Integral Equation Method for the Construction of Cylindrical Wave Solutions of the Einstein-Weyl Equations

Singular points and projective limits in relativity

Singularity-free static fluid spheres in general relativity.

Smooth static solutions of the Einstein/Yang-Mills equations

Solitary-wave motion for gravitating particles

Solution of Einstein's Field Equations for a Rotating, Stationary and Dust-Filled Universe

Solution of the equations of the relativistic theory of gravitation for equilibrium massive bodies with allowance for their equations of state

Solutions of Einstein's equations relevant to the description of ``bubbles'' in the early universe

Solutions to a spheroidal wave equation.