Luc Boasson Two Iteration Theorems for Some Families of Languages. [Citation Graph (0, 0)][DBLP] J. Comput. Syst. Sci., 1973, v:7, n:6, pp:583-596 [Journal]
D. Nudds Conversion of Programs Between Computers: Interpreters, Simulators and Compilers. [Citation Graph (0, 0)][DBLP] J. Comput. Syst. Sci., 1973, v:7, n:6, pp:597-614 [Journal]