@article{CIAA-J-2012-Oliveira13,
	author        = "José Nuno Oliveira",
	doi           = "10.1142/S0129054113400145",
	journal       = "{International Journal of Foundations of Computer Science}",
	number        = 6,
	pages         = "709--728",
	publisher     = "{World Scientific}",
	title         = "{Weighted Automata as Coalgebras in Categories of Matrices}",
	volume        = 24,
	year          = 2013,
}