%0 Journal Article
%T In memory of Alexander V. Karapetyan
%J Russian journal of nonlinear dynamics
%D 2021
%P 243-244
%V 17
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ND_2021_17_2_a7/
%G en
%F ND_2021_17_2_a7