C Valls - Journal of Dynamical Systems and Geometric Theories, 2022 - Taylor & Francis
In this paper we deal with the equations a (x) dy/dx= A (x) y 2+ B (x) y 3, where a (x), A (x)
and B (x) are complex polynomials with a (x) B (x)≢ 0 and a (x) non-constant. First we show …