@article{FLOPS-J1-1998-Tsukada01,
	author        = "Yasuyuki Tsukada",
	doi           = "10.1142/S0129054101000400",
	journal       = "{International Journal of Foundations of Computer Science}",
	number        = 1,
	pages         = "31--67",
	publisher     = "{World Scientific}",
	title         = "{Martin-Löf’s Type Theory as an Open-Ended Framework}",
	volume        = 12,
	year          = 2001,
}