@book{61778,
	author = {Berlia, Gorges },
	title = {La maintien de la paix doctrines et problèmes (1919 - 1976) /},
	publisher = {Gorges Berlia,},
	year = {1976.},
	address = {Paris :},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B11-07596.pdf}
}