Гельфрейх Наталия Георгиевна

Публикации в базе данных Math-Net.Ru

1. Slow-Fast Systems with an Equilibrium Near the Folded Slow Manifold
   
   Regul. Chaotic Dyn., 29:2 (2024),  376–403
2. Normal Forms for Three-parameter Families of Area-preserving Maps near an Elliptic Fixed Point
   
   Regul. Chaotic Dyn., 23:3 (2018),  273–290


3. Unique normal forms for area preserving maps near a fixed point with neutral multipliers
   
   Regul. Chaotic Dyn., 15:2-3 (2010),  300–318