Edgar Ottschofski

Relativistic Hartree–Fock by means of stationary direct perturbation theory. I. General theory

W. Kutzelnigg, R. Franke, Edgar Ottschofski, 1995 .

Interchain coupling in trans-polyacetylene : dynamic simulations

J. Ladik, W. Förner, Edgar Ottschofski, 1992 .

Relativistic Hartree-Fock by means of stationary direct perturbation theory. II. Ground states of rare gas atoms

W. Kutzelnigg, Edgar Ottschofski, 1995 .

Direct perturbation theory of relativistic effects for explicitly correlated wave functions: The He isoelectronic series

W. Kutzelnigg, Edgar Ottschofski, 1997 .

Relativistic multiconfiguration Hartree-SFock by means of direct perturbation theory

D. Sundholm, Edgar Ottschofski, 1997 .