TY - JOUR AU - Ursula Ludwig TI - An index formula for the intersection Euler characteristic of an infinite cone JO - Comptes Rendus. Mathématique PY - 2017 SP - 94 EP - 98 VL - 355 IS - 1 PB - Elsevier DO - 10.1016/j.crma.2016.11.003 LA - en ID - CRMATH_2017__355_1_94_0 ER -