Gurtovnik A S

Publications in Math-Net.Ru

1. Global investigation of a nonautonomously perturbed nonlinear oscillator
   
   Differ. Uravn., 20:6 (1984),  941–952
2. Invariant manifolds of certain point mappings
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1976, no. 12,  21–29
3. Investigation of the neighborhood of a family of invariant toroidal manifolds
   
   Differ. Uravn., 9:5 (1973),  821–831
4. On the question of the stability of quasiperiodic motions
   
   Differ. Uravn., 5:5 (1969),  824–832