%0 Journal Article %A Decio Levi %A Luigi Martina %A Pavel Winternitz %T Structure Preserving Discretizations of the Liouville Equation and their Numerical Tests %J Symmetry, integrability and geometry: methods and applications %D 2015 %V 11 %U http://geodesic.mathdoc.fr/item/SIGMA_2015_11_a79/ %G en %F SIGMA_2015_11_a79