%0 Journal Article %A Ursula Ludwig %T An index formula for the intersection Euler characteristic of an infinite cone %J Comptes Rendus. Mathématique %D 2017 %P 94-98 %V 355 %N 1 %I Elsevier %R 10.1016/j.crma.2016.11.003 %G en %F CRMATH_2017__355_1_94_0