1. S. Albeverio, Scattering theory in some models of quantum fields, I, J. Math. Phys. 14, (1973) 1800–1816.
2. S. Albeverio, Scattering theory in some models of quantum fields, II, Helv. Phys, Acta. 45, (1972) 303–321.
3. S. Albeverio, On bound states in the continum of N-body systems and the Virial Theorem, Annals, of Phys. 71, (1972), 167–276.
4. S. Albeverio, R. Hoegh-Krohn, Uniqueness of the physical vacuum and the Wightman functions in the infinite volume limit for some non-polynomial interactions, Commun. Math. Phys. 30, (1973) 171–200.
5. S. Albeverio, R. Hoegh-Krohn, The scattering matrix for some non-polynomial interactions; I, Oslo Univ. Preprint, Helv. Phys. Acta 46, (1973) 504–534.