%0 Journal Article
%T Vitalii Ivanovich Berdyshev (on his 80th birthday)
%J Trudy Instituta matematiki i mehaniki
%D 2019
%P 7-8
%V 25
%N 2
%U http://geodesic.mathdoc.fr/item/TIMM_2019_25_2_a0/
%G ru
%F TIMM_2019_25_2_a0