%0 Journal Article %A M. K. Barinova %A E. Y. Gogulina %A O. V. Pochinka %T Omega-classification of Surface Diffeomorphisms %J Russian journal of nonlinear dynamics %D 2021 %P 321-334 %V 17 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2021_17_3_a5/ %G en %F ND_2021_17_3_a5