%0 Journal Article
%T Anatoly Afanasyevich Levakov
%J Journal of the Belarusian State University. Mathematics and Informatics
%D 2019
%P 139-140
%V 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/BGUMI_2019_3_a12/
%G ru
%F BGUMI_2019_3_a12