LODAYA, K.; THIAGARAJAN, P. S. A Modal Logic for a Subclass of Event Structures. DAIMI Report Series, [S. l.], v. 16, n. 220, 1987. DOI: 10.7146/dpb.v16i220.7571. Disponível em: https://tidsskrift.dk/daimipb/article/view/7571. Acesso em: 1 may. 2024.