TY - JOUR AU - Jardón-Kojakhmetov, Hildeberto TI - Formal normal form of $ {A}_{k}$ slow–fast systems JO - Comptes Rendus. Mathématique PY - 2015 SP - 795 EP - 800 VL - 353 IS - 9 PB - Elsevier UR - http://www.numdam.org/articles/10.1016/j.crma.2015.06.009/ DO - 10.1016/j.crma.2015.06.009 LA - en ID - CRMATH_2015__353_9_795_0 ER -