%0 Journal Article %A Paul-Émile Paradan %T Index of projective elliptic operators %J Comptes Rendus. Mathématique %D 2016 %P 1230-1235 %V 354 %N 12 %I Elsevier %R 10.1016/j.crma.2016.10.018 %G en %F CRMATH_2016__354_12_1230_0