%0 Journal Article %A J. Lott %T Superconnections and Higher Index Theory. %J Geometric and functional analysis %D 1992 %P 421-454 %V 2 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/GFA_1992__2_1_58156/ %F GFA_1992__2_1_58156