%0 Journal Article %A Gauthier, P. M. %A Zeron, E. S. %T Approximation by Rational Mappings, via Homotopy Theory %J Canadian mathematical bulletin %D 2006 %P 237-246 %V 49 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2006-024-4/ %R 10.4153/CMB-2006-024-4 %F 10_4153_CMB_2006_024_4