@book{76405,
	author = {Pouyaud, Dominique},
	title = {La nulite des contrats administratifs /},
	publisher = {L.G.D.J,},
	year = {1991.},
	address = {Paris :},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B07-05269.pdf}
}