%0 Journal Article %A P. V. Markov %T Group classification of discrete dynamical systems %J Russian journal of nonlinear dynamics %D 2013 %P 641-650 %V 9 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2013_9_4_a2/ %G ru %F ND_2013_9_4_a2