%0 Journal Article
%A S. S. Demidov
%T At the sharp turns of the 20th century European history
%J Čebyševskij sbornik
%D 2021
%P 403-412
%V 22
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CHEB_2021_22_1_a27/
%G ru
%F CHEB_2021_22_1_a27