%0 Journal Article %A Augustin Fruchard %A Reinhard Schäfke %T Composite asymptotic expansions and turning points of singularly perturbed ordinary differential equations %J Comptes Rendus. Mathématique %D 2010 %P 1273-1277 %V 348 %N 23-24 %I Elsevier %R 10.1016/j.crma.2010.10.027 %G en %F CRMATH_2010__348_23-24_1273_0