Rigorous approach to elastic meson-nucleon scattering in non-relativistic quantum field theory. II : majoration of Feynman diagrams R. F. Alvarez-Estrada — 1981 Annales de l'I.H.P. Physique théorique
Rigorous approach to elastic meson-nucleon scattering in non-relativistic quantum field theory. (I) : integral equation and Schrödinger ket R. F. Alvarez-Estrada — 1981 Annales de l'I.H.P. Physique théorique
The polaron model revisited : rigorous construction of the dressed electron R. F. Alvarez-Estrada — 1979 Annales de l'I.H.P. Physique théorique
On the classical limit and the infrared problem for non-relativistic fermions interacting with the electromagnetic field F. Ruiz Ruiz; R. F. Alvarez-Estrada — 1984 Annales de l'I.H.P. Physique théorique