1. G. Ali, D. Bini, AND S. Rionero. Global existence and relaxation limit for smooth solutions to the Euler-Poisson model for semiconductors. SIAM J. Math. Anal, 32: 572–587, 2000.
2. L. Artsimowitsch AND R. Sagdejew. Plasmaphysik fü r Physiker. Teubner, Stuttgart, 1983.
3. H. Brezis, F. Golse, AND R. Sentis. Analyse asymptotique de l’équation de Poisson couplée à la relation de Boltzmann. Quasi-neutralité des plasmas. C. R. Acad. Sci. Paris, 321: 953–959, 1995.
4. F. Chen. Introduction to Plasma Physics and Controlled Fusion, Vol. I. Plenum Press, New York, 1984.
5. G.-Q. Chen, J. Jerome, AND B. Zhang. Particle hydrodynamic models in biology and microelectronics: singular relaxation limits. Nonlin. Anal, 30: 233–244, 1997.