@book{42981,
	author = { Gatty, jean},
	title = {Principes d'une nouvelle théorie de l'état /},
	publisher = { Presses Universitaires de France,},
	year = {1998.},
	address = {Paris :},
	edition = {Première édition},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B13-07235.pdf}
}