Rychkov Gennadii Sergeevich

Publications in Math-Net.Ru

1. Characteristics of solar-blind electron-optical converters with diamond photocathodes
   
   Pisma v Zhurnal Tekhnicheskoi Fiziki, 47:9 (2021),  3–6
2. A Criterion for the Existence of Several Limit Cycles of the Abel Equation of the Second Kind
   
   Differ. Uravn., 39:8 (2003),  1058–1061
3. Bifurcation values of the parameters of the Fitz–Hugh equations
   
   Differ. Uravn., 30:3 (1994),  405–408
4. Bifurcation values of the parameters of a system
   
   Differ. Uravn., 26:5 (1990),  808–814
5. The maximum number of limit cycles of the equation $(y-P_3(x))dy=P_1(x,y)dx$ in the case of three singular points
   
   Differ. Uravn., 21:6 (1985),  991–997
6. The absence in the equation $P_1(x,y)dx=(y-P_3(x))dy$ of limit cycles surrounding three singular points
   
   Differ. Uravn., 20:11 (1984),  1906–1910
7. Uniqueness of the limit cycle of the equation $(y-P_3(x))dy=P_1(x,y)dx$ in the presence of three singular points
   
   Differ. Uravn., 19:5 (1983),  904–905
8. Uniqueness of the limit cycle of the equation $(y-P_3(x))dy=P_1(x,y)dx$
   
   Differ. Uravn., 16:3 (1980),  433–437
9. The maximal number of limit cycles of the system $\dot{y}=-x$, $\dot{x}=y-\sum_{i=0}^2a_i x^{2i+1}$ is equal to two
   
   Differ. Uravn., 11:2 (1975),  390–391
10. A proof of the presence of an infinite number of limit cycles for the equation $\ddot y+\mu\ sin$ $(\dot y+\theta )+y=0$
    
    Differ. Uravn., 9:8 (1973),  1540–1542
11. The limit cycles of the equation $u(x+1)du=(-x+ax^2+bxu+cu+du^2)dx$
    
    Differ. Uravn., 8:12 (1972),  2257–2259
12. A complete investigation of the number of limit cycles of the equation $(b_{10}x+y)dy=\sum_{i+j\ge1}^2a_{ij}x^iy^jdx$
    
    Differ. Uravn., 6:12 (1970),  2193–2199
13. The uniqueness of the limit cycle of the system $\dot y=-g(x)$, $\dot x=-f(x)$
    
    Differ. Uravn., 5:3 (1969),  563–564
14. Certain criteria for the presence and absence of limit cycles in a dynamic system of second order
    
    Sibirsk. Mat. Zh., 7:6 (1966),  1425–1431