Avdonin Nikolai Ivanovich

Publications in Math-Net.Ru

1. A certain method of investigating separatrices
   
   Differ. Uravn., 6:7 (1970),  1188–1199
2. Examples of the generation of a limit cycle from a separatrix loop and a singular cycle
   
   Differ. Uravn., 5:7 (1969),  1335–1337
3. The separatrices of a certain class of differential equations
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1969, no. 1,  3–8
4. The relative position of the separatrices
   
   Differ. Uravn., 4:12 (1968),  2230–2242
5. Certain tests for the existence and absence of closed trajectories of a certain system of differential equations
   
   Differ. Uravn., 4:4 (1968),  639–645


6. Nikolaǐ Fedorovich Otrokov
   
   Differ. Uravn., 27:5 (1991),  912–913