%0 Journal Article
%A Yu. N. Radayev
%T Professor Leonid Yu. Kossovich (to the 70$^{\mathrm {th}}$ anniversary)
%J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics
%D 2018
%P 507-521
%V 18
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ISU_2018_18_4_a12/
%G ru
%F ISU_2018_18_4_a12