h y Stefano Bellucci, Alessio Marrani, Sergio Ferrara. - Bellucci, Stefano; Marrani, Alessio; Ferrara, Sergio; SpringerLink (Online service) (Berlin, Heidelberg : Springer Berlin Heidelberg, 2006)
Keywords: Physics; Mathematical physics; Relativity (Physics).; Physics; Relativity and Cosmology; Mathematical Methods in Physics