Kopanskii Alexander Yakovlevich

Publications in Math-Net.Ru

1. Finitely Smooth Normal Forms of a Local Family of Diffeomorphisms near the Center Manifold of a Fixed Point
   
   Funktsional. Anal. i Prilozhen., 29:3 (1995),  78–80
2. Finitely smooth polynomial normal forms of $C^\infty$-diffeomorphisms in the neighborhood of a fixed point
   
   Funktsional. Anal. i Prilozhen., 24:2 (1990),  79–80
3. Structurally stable obstructions to smooth linearization in a neighborhood of an invariant manifold
   
   Differ. Uravn., 22:5 (1986),  762–768