%0 Journal Article %A Ismagil T. Habibullin %T Characteristic Algebras of Fully Discrete Hyperbolic Type Equations %J Symmetry, integrability and geometry: methods and applications %D 2005 %V 1 %U http://geodesic.mathdoc.fr/item/SIGMA_2005_1_a22/ %G en %F SIGMA_2005_1_a22