Polesya I V

Publications in Math-Net.Ru

1. Invariant sets of autonomous differential systems
   
   Differ. Uravn., 17:4 (1981),  643–650
2. The existence of separatrix surfaces for systems in standard form
   
   Differ. Uravn., 11:10 (1975),  1827–1831
3. Occurrence of invariant sets in the neighborhood of the equilibrium position
   
   Differ. Uravn., 11:8 (1975),  1409–1415