PLIUŠKEVIČIUS , Regimantas. Termination of derivations for minimal tense logic. Lietuvos matematikos rinkinys, [S. l.], v. 50, n. proc. LMS, p. 264–268, 2009. DOI: 10.15388/LMR.2009.47. Disponível em: https://www.journals.vu.lt/LMR/article/view/17975.. Acesso em: 4 may. 2024.