Deepak Garg, Valerio Genovese, Sara Negri. Countermodels from Sequent Calculi in Multi-Modal Logics. In Proceedings of the 27th Annual IEEE Symposium on Logic in Computer Science, LICS 2012, Dubrovnik, Croatia, June 25-28, 2012. pages 315-324, IEEE, 2012. [doi]
Abstract is missing.