Gui16JournalArticle{58771004-615D-438A-A084-B90A920401F2}The X-Ray Transform for Connections in Negative Curvature2016Commun. Math. Phys.83 - 127GuillarmouColinPaternainP.GabrielSaloMikkoUhlmannGunther3431Pat15JournalArticle{C3F2BEAB-B39F-4D66-B2F5-FC13F8560EA9}Invariant distributions, Beurling transforms and tensor tomography in higher dimensions2015PaternainGabrielPSaloMikkoUhlmannGuntherMathematische Annalen305–362February13632