%0 Journal Article %A M. Atiyah %A R. Bott %A V.K. Patodi %T On the Heat Equation and the Index Theorem. %J Inventiones mathematicae %D 1973 %P 279-330 %V 19 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1973__19_142198/ %F IM_1973__19_142198