共 5 条
[1]
Davis M., 1983, COMPUTABILITY COMPLE
[2]
EILENBERG S, 1984, AUTOMATA LANGUAGES M
[3]
GATTERDAM RW, UNPUB ALGORITHMS SPL
[5]
Post E. L., 1947, J SYMBOLIC LOGIC, V12, P1, DOI [10.2307/2267170, DOI 10.2307/2267170]