%0 Journal Article %A Stephen S. Kudla %A John J. Millson %T Harmonic Differentials and Closed Geodesics on a Riemann Surface. %J Inventiones mathematicae %D 1979 %P 193-212 %V 54 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1979__54_142678/ %F IM_1979__54_142678