%0 Journal Article
%A L. Yu. Kossovich
%A Yu. N. Radaev
%T To 60-th anniversary of professor A.\,O.~Vatulyan
%J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics
%D 2013
%P 111-118
%V 13
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ISU_2013_13_3_a16/
%G ru
%F ISU_2013_13_3_a16