Masopust, Tomáš, Alexander Meduna, and Jiří Šimácek. “Two Power-Decreasing Derivation Restrictions in Generalized Scattered Context Grammars”. Acta Cybernetica 18, no. 4 (January 1, 2008): 783-793. Accessed November 22, 2024. https://cyber.bibl.u-szeged.hu/index.php/actcybern/article/view/3750.