%0 Journal Article
%A Gavrilov, Lubomir
%T On the center-focus problem for the equation $\protect \frac{\protect \mathrm{d}y}{\protect \mathrm{d}x} + \Sigma _{i=1}^{n} a_i(x) y^i = 0, 0\le x \le 1$ where $a_i$ are polynomials
%J Annales Henri Lebesgue
%D 2020
%P 615-648
%V 3
%I ÉNS Rennes
%U http://archive.numdam.org/articles/10.5802/ahl.41/
%R 10.5802/ahl.41
%G en
%F AHL_2020__3__615_0