BIRŠTUNAS, Adomas. Restrictions for loop-check in sequent calculus for temporal logic with until operator. Lietuvos matematikos rinkinys, [S. l.], v. 50, n. proc. LMS, p. 247–252, 2009. DOI: 10.15388/LMR.2009.44. Disponível em: https://www.journals.vu.lt/LMR/article/view/17972.. Acesso em: 1 may. 2024.