Paun, Gheorghe On some families of Szilard languages. (English) Zbl 0528.68054 Bull. Math. Soc. Sci. Math. Répub. Soc. Roum., Nouv. Sér. 27(75), 259-265 (1983). MSC: 68Q45 × Cite Format Result Cite Review PDF
Paun, Gheorghe Some context-free-like properties of finite index matrix languages. (English) Zbl 0518.68039 Bull. Math. Soc. Sci. Math. Répub. Soc. Roum., Nouv. Sér. 27(75), 83-87 (1983). MSC: 68Q45 × Cite Format Result Cite Review PDF