@Article{ cit:leitgeb1996ClasNva,
	title = "{A Class of n--Valued Statement Calculi: Many Universes Statement Calculus}",
	author = "Leitgeb, Hannes",
	journal = "Kriterion -- Journal of Philosophy",
	pages = "3--15",
	volume = "11",
	number = "1",
	year = "1996/97",
	issn = "10198288",
}