Source: https://www.sidam-massifcentral.fr/wp-content/uploads/2019/04/Atelier-N%C2%B04-Pr%C3%A9sentation-N%C2%B01-Lengraissement-%C3%A0-lherbe-retour-du-r%C3%A9seau-ADMM-Lore-BLONDEL.pdf