Piccinini, Livio Clemente, Maria Antonietta Lepellere, Ting Fa Margherita Chang, and Luca Iseppi. 2017. “MINIMAL MODELS OF SELF-ORGANIZED CRITICALITY”. Italian Journal of Pure and Applied Mathematics 37 (July):727-40. https://journals.uniurb.it/index.php/ijpam/article/view/6760.