Discrete version of the Chazy class III equation
  We study the discretisation of the Chazy class III equation by two means: a discrete Painlev\'e test, and the preservation of a two-parameter solution to the continuous equation. We get that way a best discretisation scheme. 
Simon Labrunie and Robert Conte (Service de physique de l'\'etat   condens\'e, CEA Saclay, Gif-sur-Yvette, France)