Desc: Calcolo infinitesimale: Directed by Roberto Minini Merot, Enzo Papetti. With Stefania Rocca, Luca Lionello, Mita Medici, Andrea Fabbricino. Roberto Pistis lives in Stromboli, isolated from the world. After the great success and fame gained in his youth with his first novel, and despite his book continue to be read and acclaimed. Valeria Hostis is a journalist who writes for the major international newspapers, determined to put herself on his track.