1. U. Ingard, Phys. Rev. 145, 41 (1966).
2. Y. Ishida and T. Idehara, J. Phys. Soc. Jpn. 35, 1747 (1973).
3. M. Hasegawa, J. Phys. Soc. Jpn. 37, 193 (1974).
4. G. I. Mishin, Yu. P. Serov, and I. P. Yavor, Pis’ma Zh. Tekh. Fiz. 17(11), 65 (1991) [Sov. Tech. Phys. Lett. 17, 413 (1991)].
5. G. I. Mishin, Sonic and Shock Wave Propagation in Weakly Ionized Plasma in Gas Dynamics (Nova Science, Commack, New York, 1992), p. 81.