%0 Journal Article %A Burton, Benjamin %A Colin de Verdière, Éric %A de Mesmay, Arnaud %T On the complexity of immersed normal surfaces %J Geometry & topology %D 2016 %P 1061-1083 %V 20 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.2140/gt.2016.20.1061/ %R 10.2140/gt.2016.20.1061 %F GT_2016_20_2_a5