%0 Journal Article %A R. R. Mukhin %T From the history of the theory of dynamical systems: Problem of classification %J Izvestiya VUZ. Applied Nonlinear Dynamics %D 2019 %P 95-112 %V 27 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVP_2019_27_5_a5/ %G ru %F IVP_2019_27_5_a5