@article{CRMATH_2017__355_1_94_0, author = {Ludwig, Ursula}, title = {An index formula for the intersection {Euler} characteristic of an infinite cone}, journal = {Comptes Rendus. Math\'ematique}, pages = {94--98}, publisher = {Elsevier}, volume = {355}, number = {1}, year = {2017}, doi = {10.1016/j.crma.2016.11.003}, language = {en}, url = {http://www.numdam.org/articles/10.1016/j.crma.2016.11.003/} }