TY  - JOUR
AU  - V. L. Popov
TI  - Two Orbits: When Is One in the Closure of the Other?
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 2009
SP  - 152
EP  - 164
VL  - 264
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TM_2009_264_a16/
LA  - ru
ID  - TM_2009_264_a16
ER  -