PETRUKHIN, Yaroslav. Nested Sequent Calculi for Some Modal Logics with Non-Standard Modalities. Logic and Logical Philosophy, [S. l.], v. 34, n. 2, p. 287–318, 2025. DOI: 10.12775/LLP.2025.009. Disponível em: https://apcz.umk.pl/LLP/article/view/55160. Acesso em: 28 jun. 2025.