%0 Book Section %A Gutierrez, Carlos %A Sarmiento, Alberto %T Injectivity of $C^1$ Maps $\mathbb{R}^2 \rightarrow \mathbb{R}^2$ at infinity and planar vector fields %B Geometric methods in dynamics (II) : Volume in honor of Jacob Palis %A Collectif %E de Melo, Wellington %E Viana, Marcelo %E Yoccoz, Jean-Christophe %S Astérisque %D 2003 %P 89-102 %N 287 %I Société mathématique de France %U http://archive.numdam.org/item/AST_2003__287__89_0/ %G en %F AST_2003__287__89_0