%0 Journal Article
%T To the memory of Yuri I. Levin
%J Izvestiya VUZ. Applied Nonlinear Dynamics
%D 2020
%P 347
%V 28
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVP_2020_28_4_a1/
%G ru
%F IVP_2020_28_4_a1