The complexity of some decision problems about two-dimensional array grammars
1983 ◽
Vol 30
(3)
◽
pp. 241-262
◽
2021 ◽
Vol 1106
(1)
◽
pp. 012028
1989 ◽
Vol 03
(03n04)
◽
pp. 497-503
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Keyword(s):
Keyword(s):