1. Quantum-mechanical perturbations giving rise to a statistical transport equation
2. Festschrift zum 6o. Geburtstage A. Sommerfelds;Pauli,1928
3. Part of our results have been presented briefly at the “Colloque International sur les Phénom`enes de Transport en Mécanique Statistique”,1956
4. Perturbation theory of large quantum systems
5. Energy corrections and persistent perturbation effects in continuous spectra