Generalized context-free grammars and multiple context-free grammars
1989 ◽
Vol 20
(7)
◽
pp. 43-52
◽
1994 ◽
Vol 10
(4)
◽
pp. 440-452
◽
Keyword(s):
Keyword(s):
2016 ◽
Vol 639
◽
pp. 91-109
◽