1. A. A. Barmin and E. A. Pushkar’, “Oblique interaction of strong discontinuities in magnetohydrodynamics,” in: Mechanics: Contemporary Problems [in Russian], Moscow State University, Moscow (1987), p. 100.
2. A. A. Barmin and E. A. Pushkar’, “Oblique interaction of Alfvén and contact discontinuities in magnetohydrodynamics,” Izv. Akad. Nauk SSSR, Mekh. Zhidk. Gaza, No. 1, 131 (1990).
3. A. A. Barmin and E. A. Pushkar’, “Shock wave intersection in magnetohydrodynamics,” Izv. Akad. Nauk SSSR, Mekh. Zhidk. Gaza, No. 3, 132 (1991).
4. A. A. Barmin and E. A. Pushkar’, “Nonregular interaction of shock waves in magnetohydrodynamics,” Izv. Ros. Akad. Nauk, Mekh. Zhidk. Gaza, No. 4, 184 (1993).
5. E. A. Pushkar’, “Regular oblique interaction of shock waves coming from the same direction in a conducting medium with a magnetic field,” Izv. Ros. Akad. Nauk, Mekh. Zhidk. Gaza, No. 6, 127 (1995).