Diffusion of a particle in presence of N moving point sources

Dell'Antonio, G. F.; Figari, R.; Teta, A.

Annales de l'I.H.P. Physique théorique, Volume 69 (1998) p. 413-424

Hamiltonians for systems of N particles interacting through point interactions

Dell'Antonio, G. F.; Figari, R.; Teta, A.

Annales de l'I.H.P. Physique théorique, Volume 60 (1994) p. 253-290