Kushkov Nikolai Nikolaevich

Publications in Math-Net.Ru

1. Boundedness of solutions of a certain multidimensional system in the critical case of two zero roots. II
   
   Differ. Uravn., 15:10 (1979),  1901–1903
2. Boundedness of solutions of a certain multidimensional system in the critical case of two zero roots. I
   
   Differ. Uravn., 15:9 (1979),  1600–1605
3. The boundedness of the solutions of a certain multidimensional system in the critical case of one zero root and two pure imaginary roots. II
   
   Differ. Uravn., 14:5 (1978),  843–852
4. The boundedness of the solutions of a certain multidimensional system in the critical case of one zero root and two pure imaginary roots. I
   
   Differ. Uravn., 14:4 (1978),  613–623
5. The boundedness of the solutions of a certain multidimensional system in the critical case of one zero root. II
   
   Differ. Uravn., 13:9 (1977),  1598–1605
6. The boundedness of the solutions of a certain multidimensional system in the critical case of one zero root. I
   
   Differ. Uravn., 13:6 (1977),  1026–1037
7. The dissipativity of a certain nonlinear differential equation
   
   Differ. Uravn., 6:5 (1970),  817–826
8. Some theorems on limit cycles for systems of nonlinear oscillations
   
   Uspekhi Mat. Nauk, 13:2(80) (1958),  203–209
9. Qualitative investigation of a system of two differential equations
   
   Uspekhi Mat. Nauk, 13:2(80) (1958),  195–202