%0 Journal Article %A Nicolas Franco %T Global Eikonal Condition for Lorentzian Distance Function in Noncommutative Geometry %J Symmetry, integrability and geometry: methods and applications %D 2010 %V 6 %U http://geodesic.mathdoc.fr/item/SIGMA_2010_6_a63/ %G en %F SIGMA_2010_6_a63