MACH WAVE FORMED AS A PLANE SHOCK WAVE PASSED DOWN A BACKWARD STEP
HUANG WEN-SHENG, LIU KE-QI HU, YONG-SHENG, LI ZHI-NIAN, LI YIN-FAN, CAO YI-MING
CHINESE JOURNAL OF COMPUTATIONAL PHYSICS . 1984, (2): 176 -186 .