%0 Journal Article
%A Yu. A. Neretin
%T On the Sphericity of the Subgroup $\operatorname{PSL}_2(\mathbb{R})$ in the Group of Diffeomorphisms of the Circle
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 2016
%P 91-94
%V 50
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_2016_50_2_a9/
%G ru
%F FAA_2016_50_2_a9