Huday-Verenov, Ovezmamed
(Selcuk University Research Center of Applied Mathematics, 2004)
The article gives the estimate for the number of limit cycles of the equation:dy/dx=Q(x,y)/P(x,y), where Q(x,y) and P(x,y) are polynomials. In addition, it is shown that limit cycles lie on separatrix solutions, and the ...