@inproceedings{LICS-2012-GargGN,
	author        = "Deepak Garg and Valerio Genovese and Sara Negri",
	booktitle     = "{Proceedings of the 27th Annual IEEE Symposium on Logic in Computer Science}",
	doi           = "10.1109/LICS.2012.42",
	isbn          = "978-1-4673-2263-8",
	pages         = "315--324",
	publisher     = "{IEEE Computer Society}",
	title         = "{Countermodels from Sequent Calculi in Multi-Modal Logics}",
	year          = 2012,
}