List of citations in Numdam for : Quadratic vector fields in the plane have a finite number of limit cycles

Publications Mathématiques de l'IHÉS, Volume 64 (1986), pp. 111-142.

Séminaire Bourbaki : volume 1987/88, exposés 686-699, Astérisque, no. 161-162 (1988), Talk no. 690, 17 p.