ORLANDELLI, E. Sequent Calculi and Interpolation for Non-Normal Modal and Deontic Logics. Logic and Logical Philosophy, [S. l.], v. 30, n. 1, p. 139–183, 2020. DOI: 10.12775/LLP.2020.018. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2020.018. Acesso em: 27 nov. 2021.