TY  - JOUR
AU  - Yu. A. Konyaev
TI  - On some methods for investigating stability
JO  - Sbornik. Mathematics
PY  - 2001
SP  - 385
EP  - 402
VL  - 192
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_2001_192_3_a3/
LA  - en
ID  - SM_2001_192_3_a3
ER  -