TY  - JOUR
AU  - L. A. Beklaryan
TI  - Groups of line and circle diffeomorphisms. Criteria for almost nilpotency and structure theorems
JO  - Sbornik. Mathematics
PY  - 2016
SP  - 1079
EP  - 1099
VL  - 207
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_2016_207_8_a2/
LA  - en
ID  - SM_2016_207_8_a2
ER  -