Mixtures and pure states in relativistic Schrödinger theory

Positive and Negative Mixtures in Relativistic Schrödinger Theory

Mixture degeneracy in relativistic Schrödinger theory

Two- and Three-Particle Systems in Relativistic Schrödinger Theory

External and internal motion in Relativistic Schrödinger Theory

Identities and conservation laws in relativistic Schrödinger theory.

Relativistic Schrödinger Theory and the Hartree–Fock Approach