@book{551989,
	author = {Gamkrelidze, Thomas, and Ivanov, T. V.},
	title = {Systeme de langue et principes de reconstruction en linguistique /               },
	year = {1987.},
	address = {Paris,},
	note = {Offprint from : Diogene, no.137, "Problemes du Langage II", pp.3-23.}
}