Citation: F. Oliveri et Mp. Speciale, Exact solutions to the unsteady equations of perfect gases through Lie group analysis and substitution principles, INT J N-L M, 37(2), 2002, pp. 257-274
Citation: F. Oliveri et Mp. Speciale, Exact solutions to the equations of perfect gases through Lie group analysis and substitution principles, INT J N-L M, 34(6), 1999, pp. 1077-1087