Caglioti and Maffei The reference 8 was added to this article using an IP address from University of Roma which is the affiliation of the authors The paper is rarely cited Does this paper contains significant results which should be mentioned by Wikipedia 8 Caglioti E and Maffei C Time asymptotics for solutions of Vlasov Poisson equation in a circle J Statist Phys 92 1 2 301 323 1998