TY  - JOUR
AU  - A. V. Lutsenko
AU  - L. V. Stadnikova
TI  - Partial stability in the first approximation
JO  - Differencialʹnye uravneniâ
PY  - 1973
SP  - 1530
EP  - 1533
VL  - 9
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1973_9_8_a19/
LA  - ru
ID  - DE_1973_9_8_a19
ER  -