1. [1] Abramowitz, M.; Stegun, I. A. Handbook of mathematical functions with formulas, graphs, and mathematical tables, Dover Publications, Inc., New York (1992)
2. [2] Bonnet-Ben Dhia, A.-S.; Chesnel, L.; Ciarlet, P. Jr. T-coercivity for scalar interface problems between dielectrics and metamaterials, ESAIM Math. Model. Numer. Anal., Volume 46 (2012) no. 6, pp. 1363-1387
3. [3] Brambilla, M. The effects of Coulomb collisions on the propagation of cold-plasma waves, Phys. Plasmas, Volume 2 (1995) no. 4, pp. 1094-1099
4. [4] Brambilla, M. Kinetic theory of plasma waves. Homogeneous plasmas, Clarendon Press, International Series of Monographs on Physics (1998)
5. [5] Budden, K. G. Radio waves in the ionosphere: The mathematical theory of the reflection of radio waves from stratified ionised layers, Cambridge University Press, New York (1961)