TY  - JOUR
AU  - Yu. A. Neretin
TI  - On the Sphericity of the Subgroup $\operatorname{PSL}_2(\mathbb{R})$ in the Group of Diffeomorphisms of the Circle
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 2016
SP  - 91
EP  - 94
VL  - 50
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_2016_50_2_a9/
LA  - ru
ID  - FAA_2016_50_2_a9
ER  -