ALONDERIS, Romas. A sequent calculus for propositional temporal logic with time gaps. Lietuvos matematikos rinkinys, [S. l.], v. 52, n. proc. LMS, p. 225–230, 2011. DOI: 10.15388/LMR.2011.ml01. Disponível em: https://test.zurnalai.vu.lt/LMR/article/view/15429. Acesso em: 27 oct. 2025.