Vinner G M

Publications in Math-Net.Ru

1. Mechanism of instability of an equilibrium of natural systems
   
   Funktsional. Anal. i Prilozhen., 23:1 (1989),  66–67
2. Stability of the equilibrium of a mechanical system with unilateral constraints
   
   Vestnik Moskov. Univ. Ser. 1. Mat. Mekh., 1989, no. 4,  54–57