@article {Bertola:CorrespondencePLB,
	title = {Correspondence between Minkowski and de Sitter quantum field theory},
	journal = {Phys. Lett. B},
	volume = {462},
	number = {3-4},
	year = {1999},
	pages = {249{\textendash}253},
	issn = {0370-2693},
	author = {Marco Bertola and Gorini, Vittorio and Moschella, Ugo and Schaeffer, Richard}
}
