Nozdracheva Valentina Pavlovna

Publications in Math-Net.Ru

1. Estimates for periods of cycles generated by a singular cycle with two separatrices
   
   Differ. Uravn., 31:10 (1995),  1764–1765
2. Perturbation of system of differential equations with a singular cone corresponding to a singular cycle with two separatrices
   
   Differ. Uravn., 31:9 (1995),  1584–1585
3. Estimates for the periods of cycles generated by a structurally unstable separatrix loop
   
   Differ. Uravn., 28:4 (1992),  612–618
4. Bifurcations of a singular cone in two cases
   
   Differ. Uravn., 27:11 (1991),  1984–1986
5. Bifurcations of a singular cone of a three-dimensional homogeneous system
   
   Differ. Uravn., 27:3 (1991),  447–452
6. Existence of tangential $O$-curves of an algebroid system of differential equations in some degenerate cases
   
   Differ. Uravn., 25:6 (1989),  1059–1062
7. A priori estimation of the length of a closed trajectory on a plane
   
   Differ. Uravn., 25:2 (1989),  229–233
8. Bifurcations of a structurally unstable separatrix loop
   
   Differ. Uravn., 18:9 (1982),  1551–1558
9. Behavior of the trajectories of a three-dimensional homogeneous system in the neighborhood of a singular invariant cone
   
   Differ. Uravn., 15:4 (1979),  619–628
10. Successor functions in the neighborhood of a singular cycle
    
    Differ. Uravn., 15:3 (1979),  405–407
11. A congruence function in the vicinity of a structurally stable saddle
    
    Differ. Uravn., 15:2 (1979),  252–261