SAKALAUSKAITĖ, Jūratė. Prefixed tableaus for three-valued modal propositional logics. Lietuvos matematikos rinkinys, [S. l.], v. 37, n. I, p. 179–184 , 1997. DOI: 10.15388/LMD.1997.38210. Disponível em: https://test.zurnalai.vu.lt/LMR/article/view/38210. Acesso em: 29 oct. 2025.