共 6 条
[1]
Chomsky N., 1962, 65 MIT RES LAB EL, V65, P187
[2]
Chomsky N., 1959, INFORM CONTROL, V2, P137, DOI 10.1016/S0019-9958(59)90362-6
[3]
Davis M., 1958, COMPUTABILITY UNSOLV
[4]
3 THEOREMS ON PHRASE STRUCTURE GRAMMARS OF TYPE 1
[J].
INFORMATION AND CONTROL,
1963, 6 (02)
:131-&
[5]
MYHILL J, 1960, 60165 WADD TECH NOT
[6]
ON CONTEXT-FREE LANGUAGES AND PUSH-DOWN AUTOMATA
[J].
INFORMATION AND CONTROL,
1963, 6 (03)
:246-&