%0 Journal Article
%A A. I. Rylov
%T The structure of level lines and a~criterion for the similarity of asymptotics in two-dimensional gas flows
%J Sibirskij žurnal industrialʹnoj matematiki
%D 1999
%P 139-150
%V 2
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SJIM_1999_2_1_a14/
%G ru
%F SJIM_1999_2_1_a14