Martynyuk Dmitrii Ivanovich

Publications in Math-Net.Ru

1. Invariant manifolds of systems with lag subjected to impulse action
   
   Differ. Uravn., 15:10 (1979),  1783–1795
2. An investigation of the neighborhood of an invariant toroidal manifold of a system of difference equations
   
   Differ. Uravn., 11:8 (1975),  1474–1484
3. Existence of invariant tori for systems of difference equations
   
   Differ. Uravn., 9:10 (1973),  1904–1910