1. A. F. Aleksandrov, I. B. Timofeev, B. A. Cherenkov, et al., in Proc. XVII Intern. Conf. Phen. Ion. Gas, Suansu (UK, 1987), part 2, p. 426.
2. A. F. Aleksandrov, I. B. Timofeev, and U. Yusupaliev, Teplofiz. Vysok. Temp. 29, 108 (1991).
3. U. Yusupaliev, Kratkie Soobshcheniya po Fizike FIAN, No. 6, 46 (2005) [Bulletin of the Lebedev Physics Institute, No. 6, 37 (2005)].
4. U. Yusupaliev, Zh. Tekh. Fiz. 74(7), 52 (2004) [Tech. Phys. 49, 858 (2004)].
5. U. Yusupaliev, Fiz. Plazmy 31, 543 (2005) [Plasma Phys. Rep. 31, 497 (2005)].