%0 Journal Article %A Miriam Briskin %A Nina Roytvarf %A Yosef Yomdin %T Center conditions at infinity for Abel differential equations %J Annals of mathematics %D 2010 %P 437-483 %V 172 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4007/annals.2010.172.437/ %R 10.4007/annals.2010.172.437 %G en %F 10_4007_annals_2010_172_437