Skitovich Anatolii Viktorovich

Publications in Math-Net.Ru

1. A Generalized Normal Form and Formal Equivalence of Two-Dimensional Systems with Quadratic Zero Approximation: II
   
   Differ. Uravn., 41:8 (2005),  1011–1023
2. A Generalized Normal Form and Formal Equivalence of Two-Dimensional Systems with Quadratic Zero Approximation: I
   
   Differ. Uravn., 39:8 (2003),  1016–1029
3. A complex cycle twice passing through a simple saddle
   
   Differ. Uravn., 20:8 (1984),  1429–1431
4. The problem of center in the case of a complex stationary point that is separable into simple saddle points
   
   Differ. Uravn., 14:10 (1978),  1814–1823
5. Conditions for the occurrence of the problem of center and focus
   
   Differ. Uravn., 13:6 (1977),  1061–1069