%0 Journal Article %A Jardón-Kojakhmetov, Hildeberto %T Formal normal form of $ {A}_{k}$ slow–fast systems %J Comptes Rendus. Mathématique %D 2015 %P 795-800 %V 353 %N 9 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2015.06.009/ %R 10.1016/j.crma.2015.06.009 %G en %F CRMATH_2015__353_9_795_0