1. M. Weinfeld, Thèse de Doctorat d’Etat, University of Paris XI, Orsay (1971).
2. A. Bouchoule, Thèse de Doctorat d’Etat, University of Paris at Orsay (1972).
3. Interactions between Light Waves in a Nonlinear Dielectric
4. Nonlinear Development of an Electron Plasma Wave in a Cylindrical Waveguide