TY  - JOUR
AU  - N. D. Kopachevskii
TI  - Inversion of Lagrange's theorem on the stability of small
JO  - Doklady Akademii Nauk
PY  - 1990
SP  - 71
EP  - 73
VL  - 314
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1990_314_1_a16/
LA  - ru
ID  - DAN_1990_314_1_a16
ER  -