TY  - JOUR
AU  - T. A. Yakovleva
TI  - On the nonrigidity of an equilibrium position of a system whose potential energy does not have a minimum
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1994
SP  - 74
EP  - 76
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1994_6_a15/
LA  - ru
ID  - VMUMM_1994_6_a15
ER  -